204607440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 240

約数和(自身を含む): 724239360

約数和(自身を除く): 519631920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 89, 90, 93, 103, 120, 124, 144, 155, 178, 180, 186, 206, 240, 248, 267, 279, 309, 310, 356, 360, 372, 412, 445, 465, 496, 515, 534, 558, 618, 620, 712, 720, 744, 801, 824, 890, 927, 930, 1030, 1068, 1116, 1236, 1240, 1335, 1395, 1424, 1488, 1545, 1602, 1648, 1780, 1854, 1860, 2060, 2136, 2232, 2472, 2480, 2670, 2759, 2790, 3090, 3193, 3204, 3560, 3708, 3720, 4005, 4120, 4272, 4464, 4635, 4944, 5340, 5518, 5580, 6180, 6386, 6408, 7120, 7416, 7440, 8010, 8240, 8277, 9167, 9270, 9579, 10680, 11036, 11160, 12360, 12772, 12816, 13795, 14832, 15965, 16020, 16554, 18334, 18540, 19158, 21360, 22072, 22320, 24720, 24831, 25544, 27501, 27590, 28737, 31930, 32040, 33108, 36668, 37080, 38316, 41385, 44144, 45835, 47895, 49662, 51088, 55002, 55180, 57474, 63860, 64080, 66216, 73336, 74160, 76632, 82503, 82770, 91670, 95790, 99324, 110004, 110360, 114948, 124155, 127720, 132432, 137505, 143685, 146672, 153264, 165006, 165540, 183340, 191580, 198648, 220008, 220720, 229896, 248310, 255440, 275010, 284177, 287370, 330012, 331080, 366680, 383160, 397296, 412515, 440016, 459792, 496620, 550020, 568354, 574740, 660024, 662160, 733360, 766320, 825030, 852531, 993240, 1100040, 1136708, 1149480, 1320048, 1420885, 1650060, 1705062, 1986480, 2200080, 2273416, 2298960, 2557593, 2841770, 3300120, 3410124, 4262655, 4546832, 5115186, 5683540, 6600240, 6820248, 8525310, 10230372, 11367080, 12787965, 13640496, 17050620, 20460744, 22734160, 25575930, 34101240, 40921488, 51151860, 68202480, 102303720, 204607440]

約数ペア:

[(1, 204607440), (2, 102303720), (3, 68202480), (4, 51151860), (5, 40921488), (6, 34101240), (8, 25575930), (9, 22734160), (10, 20460744), (12, 17050620), (15, 13640496), (16, 12787965), (18, 11367080), (20, 10230372), (24, 8525310), (30, 6820248), (31, 6600240), (36, 5683540), (40, 5115186), (45, 4546832), (48, 4262655), (60, 3410124), (62, 3300120), (72, 2841770), (80, 2557593), (89, 2298960), (90, 2273416), (93, 2200080), (103, 1986480), (120, 1705062), (124, 1650060), (144, 1420885), (155, 1320048), (178, 1149480), (180, 1136708), (186, 1100040), (206, 993240), (240, 852531), (248, 825030), (267, 766320), (279, 733360), (309, 662160), (310, 660024), (356, 574740), (360, 568354), (372, 550020), (412, 496620), (445, 459792), (465, 440016), (496, 412515), (515, 397296), (534, 383160), (558, 366680), (618, 331080), (620, 330012), (712, 287370), (720, 284177), (744, 275010), (801, 255440), (824, 248310), (890, 229896), (927, 220720), (930, 220008), (1030, 198648), (1068, 191580), (1116, 183340), (1236, 165540), (1240, 165006), (1335, 153264), (1395, 146672), (1424, 143685), (1488, 137505), (1545, 132432), (1602, 127720), (1648, 124155), (1780, 114948), (1854, 110360), (1860, 110004), (2060, 99324), (2136, 95790), (2232, 91670), (2472, 82770), (2480, 82503), (2670, 76632), (2759, 74160), (2790, 73336), (3090, 66216), (3193, 64080), (3204, 63860), (3560, 57474), (3708, 55180), (3720, 55002), (4005, 51088), (4120, 49662), (4272, 47895), (4464, 45835), (4635, 44144), (4944, 41385), (5340, 38316), (5518, 37080), (5580, 36668), (6180, 33108), (6386, 32040), (6408, 31930), (7120, 28737), (7416, 27590), (7440, 27501), (8010, 25544), (8240, 24831), (8277, 24720), (9167, 22320), (9270, 22072), (9579, 21360), (10680, 19158), (11036, 18540), (11160, 18334), (12360, 16554), (12772, 16020), (12816, 15965), (13795, 14832)]