19907485920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53377}}^1$

素因数の和:53442

約数の個数: 288

約数和(自身を含む): 79739045568

約数和(自身を除く): 59831559648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 96, 105, 111, 112, 120, 126, 140, 144, 148, 160, 168, 180, 185, 210, 222, 224, 240, 252, 259, 280, 288, 296, 315, 333, 336, 360, 370, 420, 444, 480, 504, 518, 555, 560, 592, 630, 666, 672, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1120, 1184, 1260, 1295, 1332, 1440, 1480, 1554, 1665, 1680, 1776, 2016, 2072, 2220, 2331, 2520, 2590, 2664, 2960, 3108, 3330, 3360, 3552, 3885, 4144, 4440, 4662, 5040, 5180, 5328, 5920, 6216, 6660, 7770, 8288, 8880, 9324, 10080, 10360, 10656, 11655, 12432, 13320, 15540, 17760, 18648, 20720, 23310, 24864, 26640, 31080, 37296, 41440, 46620, 53280, 53377, 62160, 74592, 93240, 106754, 124320, 160131, 186480, 213508, 266885, 320262, 372960, 373639, 427016, 480393, 533770, 640524, 747278, 800655, 854032, 960786, 1067540, 1120917, 1281048, 1494556, 1601310, 1708064, 1868195, 1921572, 1974949, 2135080, 2241834, 2401965, 2562096, 2989112, 3202620, 3362751, 3736390, 3843144, 3949898, 4270160, 4483668, 4803930, 5124192, 5604585, 5924847, 5978224, 6405240, 6725502, 7472780, 7686288, 7899796, 8540320, 8967336, 9607860, 9874745, 11209170, 11849694, 11956448, 12810480, 13451004, 13824643, 14945560, 15372576, 15799592, 16813755, 17774541, 17934672, 19215720, 19749490, 22418340, 23699388, 25620960, 26902008, 27649286, 29624235, 29891120, 31599184, 33627510, 35549082, 35869344, 38431440, 39498980, 41473929, 44836680, 47398776, 53804016, 55298572, 59248470, 59782240, 63198368, 67255020, 69123215, 71098164, 76862880, 78997960, 82947858, 88872705, 89673360, 94797552, 107608032, 110597144, 118496940, 124421787, 134510040, 138246430, 142196328, 157995920, 165895716, 177745410, 179346720, 189595104, 207369645, 221194288, 236993880, 248843574, 269020080, 276492860, 284392656, 315991840, 331791432, 355490820, 414739290, 442388576, 473987760, 497687148, 538040160, 552985720, 568785312, 622108935, 663582864, 710981640, 829478580, 947975520, 995374296, 1105971440, 1244217870, 1327165728, 1421963280, 1658957160, 1990748592, 2211942880, 2488435740, 2843926560, 3317914320, 3981497184, 4976871480, 6635828640, 9953742960, 19907485920]

約数ペア:

[(1, 19907485920), (2, 9953742960), (3, 6635828640), (4, 4976871480), (5, 3981497184), (6, 3317914320), (7, 2843926560), (8, 2488435740), (9, 2211942880), (10, 1990748592), (12, 1658957160), (14, 1421963280), (15, 1327165728), (16, 1244217870), (18, 1105971440), (20, 995374296), (21, 947975520), (24, 829478580), (28, 710981640), (30, 663582864), (32, 622108935), (35, 568785312), (36, 552985720), (37, 538040160), (40, 497687148), (42, 473987760), (45, 442388576), (48, 414739290), (56, 355490820), (60, 331791432), (63, 315991840), (70, 284392656), (72, 276492860), (74, 269020080), (80, 248843574), (84, 236993880), (90, 221194288), (96, 207369645), (105, 189595104), (111, 179346720), (112, 177745410), (120, 165895716), (126, 157995920), (140, 142196328), (144, 138246430), (148, 134510040), (160, 124421787), (168, 118496940), (180, 110597144), (185, 107608032), (210, 94797552), (222, 89673360), (224, 88872705), (240, 82947858), (252, 78997960), (259, 76862880), (280, 71098164), (288, 69123215), (296, 67255020), (315, 63198368), (333, 59782240), (336, 59248470), (360, 55298572), (370, 53804016), (420, 47398776), (444, 44836680), (480, 41473929), (504, 39498980), (518, 38431440), (555, 35869344), (560, 35549082), (592, 33627510), (630, 31599184), (666, 29891120), (672, 29624235), (720, 27649286), (740, 26902008), (777, 25620960), (840, 23699388), (888, 22418340), (1008, 19749490), (1036, 19215720), (1110, 17934672), (1120, 17774541), (1184, 16813755), (1260, 15799592), (1295, 15372576), (1332, 14945560), (1440, 13824643), (1480, 13451004), (1554, 12810480), (1665, 11956448), (1680, 11849694), (1776, 11209170), (2016, 9874745), (2072, 9607860), (2220, 8967336), (2331, 8540320), (2520, 7899796), (2590, 7686288), (2664, 7472780), (2960, 6725502), (3108, 6405240), (3330, 5978224), (3360, 5924847), (3552, 5604585), (3885, 5124192), (4144, 4803930), (4440, 4483668), (4662, 4270160), (5040, 3949898), (5180, 3843144), (5328, 3736390), (5920, 3362751), (6216, 3202620), (6660, 2989112), (7770, 2562096), (8288, 2401965), (8880, 2241834), (9324, 2135080), (10080, 1974949), (10360, 1921572), (10656, 1868195), (11655, 1708064), (12432, 1601310), (13320, 1494556), (15540, 1281048), (17760, 1120917), (18648, 1067540), (20720, 960786), (23310, 854032), (24864, 800655), (26640, 747278), (31080, 640524), (37296, 533770), (41440, 480393), (46620, 427016), (53280, 373639), (53377, 372960), (62160, 320262), (74592, 266885), (93240, 213508), (106754, 186480), (124320, 160131)]