40505220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 288

約数和(自身を含む): 155990016

約数和(自身を除く): 115484796

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 31, 34, 35, 36, 42, 45, 51, 60, 61, 62, 63, 68, 70, 84, 85, 90, 93, 102, 105, 119, 122, 124, 126, 140, 153, 155, 170, 180, 183, 186, 204, 210, 217, 238, 244, 252, 255, 279, 305, 306, 310, 315, 340, 357, 366, 372, 420, 427, 434, 465, 476, 510, 527, 549, 558, 595, 610, 612, 620, 630, 651, 714, 732, 765, 854, 868, 915, 930, 1020, 1037, 1054, 1071, 1085, 1098, 1116, 1190, 1220, 1260, 1281, 1302, 1395, 1428, 1530, 1581, 1708, 1785, 1830, 1860, 1891, 1953, 2074, 2108, 2135, 2142, 2170, 2196, 2380, 2562, 2604, 2635, 2745, 2790, 3060, 3111, 3162, 3255, 3570, 3660, 3689, 3782, 3843, 3906, 4148, 4270, 4284, 4340, 4743, 5124, 5185, 5270, 5355, 5490, 5580, 5673, 6222, 6324, 6405, 6510, 7140, 7259, 7378, 7564, 7686, 7812, 7905, 8540, 9333, 9455, 9486, 9765, 10370, 10540, 10710, 10980, 11067, 11346, 12444, 12810, 13020, 13237, 14518, 14756, 15372, 15555, 15810, 17019, 18445, 18666, 18910, 18972, 19215, 19530, 20740, 21420, 21777, 22134, 22692, 23715, 25620, 26474, 28365, 29036, 31110, 31620, 32147, 33201, 34038, 36295, 36890, 37332, 37820, 38430, 39060, 39711, 43554, 44268, 46665, 47430, 52948, 55335, 56730, 62220, 64294, 65331, 66185, 66402, 68076, 72590, 73780, 76860, 79422, 85095, 87108, 93330, 94860, 96441, 108885, 110670, 113460, 119133, 128588, 130662, 132370, 132804, 145180, 158844, 160735, 166005, 170190, 186660, 192882, 198555, 217770, 221340, 225029, 238266, 261324, 264740, 289323, 321470, 326655, 332010, 340380, 385764, 397110, 435540, 450058, 476532, 482205, 578646, 595665, 642940, 653310, 664020, 675087, 794220, 900116, 964410, 1125145, 1157292, 1191330, 1306620, 1350174, 1446615, 1928820, 2025261, 2250290, 2382660, 2700348, 2893230, 3375435, 4050522, 4500580, 5786460, 6750870, 8101044, 10126305, 13501740, 20252610, 40505220]

約数ペア:

[(1, 40505220), (2, 20252610), (3, 13501740), (4, 10126305), (5, 8101044), (6, 6750870), (7, 5786460), (9, 4500580), (10, 4050522), (12, 3375435), (14, 2893230), (15, 2700348), (17, 2382660), (18, 2250290), (20, 2025261), (21, 1928820), (28, 1446615), (30, 1350174), (31, 1306620), (34, 1191330), (35, 1157292), (36, 1125145), (42, 964410), (45, 900116), (51, 794220), (60, 675087), (61, 664020), (62, 653310), (63, 642940), (68, 595665), (70, 578646), (84, 482205), (85, 476532), (90, 450058), (93, 435540), (102, 397110), (105, 385764), (119, 340380), (122, 332010), (124, 326655), (126, 321470), (140, 289323), (153, 264740), (155, 261324), (170, 238266), (180, 225029), (183, 221340), (186, 217770), (204, 198555), (210, 192882), (217, 186660), (238, 170190), (244, 166005), (252, 160735), (255, 158844), (279, 145180), (305, 132804), (306, 132370), (310, 130662), (315, 128588), (340, 119133), (357, 113460), (366, 110670), (372, 108885), (420, 96441), (427, 94860), (434, 93330), (465, 87108), (476, 85095), (510, 79422), (527, 76860), (549, 73780), (558, 72590), (595, 68076), (610, 66402), (612, 66185), (620, 65331), (630, 64294), (651, 62220), (714, 56730), (732, 55335), (765, 52948), (854, 47430), (868, 46665), (915, 44268), (930, 43554), (1020, 39711), (1037, 39060), (1054, 38430), (1071, 37820), (1085, 37332), (1098, 36890), (1116, 36295), (1190, 34038), (1220, 33201), (1260, 32147), (1281, 31620), (1302, 31110), (1395, 29036), (1428, 28365), (1530, 26474), (1581, 25620), (1708, 23715), (1785, 22692), (1830, 22134), (1860, 21777), (1891, 21420), (1953, 20740), (2074, 19530), (2108, 19215), (2135, 18972), (2142, 18910), (2170, 18666), (2196, 18445), (2380, 17019), (2562, 15810), (2604, 15555), (2635, 15372), (2745, 14756), (2790, 14518), (3060, 13237), (3111, 13020), (3162, 12810), (3255, 12444), (3570, 11346), (3660, 11067), (3689, 10980), (3782, 10710), (3843, 10540), (3906, 10370), (4148, 9765), (4270, 9486), (4284, 9455), (4340, 9333), (4743, 8540), (5124, 7905), (5185, 7812), (5270, 7686), (5355, 7564), (5490, 7378), (5580, 7259), (5673, 7140), (6222, 6510), (6324, 6405)]