20120996400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8867}}^1$

素因数の和:8980

約数の個数: 240

約数和(自身を含む): 67631766528

約数和(自身を除く): 47510770128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 40, 48, 50, 60, 61, 62, 75, 80, 93, 100, 120, 122, 124, 150, 155, 183, 186, 200, 240, 244, 248, 300, 305, 310, 366, 372, 400, 465, 488, 496, 600, 610, 620, 732, 744, 775, 915, 930, 976, 1200, 1220, 1240, 1464, 1488, 1525, 1550, 1830, 1860, 1891, 2325, 2440, 2480, 2928, 3050, 3100, 3660, 3720, 3782, 4575, 4650, 4880, 5673, 6100, 6200, 7320, 7440, 7564, 8867, 9150, 9300, 9455, 11346, 12200, 12400, 14640, 15128, 17734, 18300, 18600, 18910, 22692, 24400, 26601, 28365, 30256, 35468, 36600, 37200, 37820, 44335, 45384, 47275, 53202, 56730, 70936, 73200, 75640, 88670, 90768, 94550, 106404, 113460, 133005, 141825, 141872, 151280, 177340, 189100, 212808, 221675, 226920, 266010, 274877, 283650, 354680, 378200, 425616, 443350, 453840, 532020, 540887, 549754, 567300, 665025, 709360, 756400, 824631, 886700, 1064040, 1081774, 1099508, 1134600, 1330050, 1374385, 1622661, 1649262, 1773400, 2128080, 2163548, 2199016, 2269200, 2660100, 2704435, 2748770, 3245322, 3298524, 3546800, 4123155, 4327096, 4398032, 5320200, 5408870, 5497540, 6490644, 6597048, 6871925, 8113305, 8246310, 8654192, 10640400, 10817740, 10995080, 12981288, 13194096, 13522175, 13743850, 16226610, 16492620, 16767497, 20615775, 21635480, 21990160, 25962576, 27044350, 27487700, 32453220, 32985240, 33534994, 40566525, 41231550, 43270960, 50302491, 54088700, 54975400, 64906440, 65970480, 67069988, 81133050, 82463100, 83837485, 100604982, 108177400, 109950800, 129812880, 134139976, 162266100, 164926200, 167674970, 201209964, 216354800, 251512455, 268279952, 324532200, 329852400, 335349940, 402419928, 419187425, 503024910, 649064400, 670699880, 804839856, 838374850, 1006049820, 1257562275, 1341399760, 1676749700, 2012099640, 2515124550, 3353499400, 4024199280, 5030249100, 6706998800, 10060498200, 20120996400]

約数ペア:

[(1, 20120996400), (2, 10060498200), (3, 6706998800), (4, 5030249100), (5, 4024199280), (6, 3353499400), (8, 2515124550), (10, 2012099640), (12, 1676749700), (15, 1341399760), (16, 1257562275), (20, 1006049820), (24, 838374850), (25, 804839856), (30, 670699880), (31, 649064400), (40, 503024910), (48, 419187425), (50, 402419928), (60, 335349940), (61, 329852400), (62, 324532200), (75, 268279952), (80, 251512455), (93, 216354800), (100, 201209964), (120, 167674970), (122, 164926200), (124, 162266100), (150, 134139976), (155, 129812880), (183, 109950800), (186, 108177400), (200, 100604982), (240, 83837485), (244, 82463100), (248, 81133050), (300, 67069988), (305, 65970480), (310, 64906440), (366, 54975400), (372, 54088700), (400, 50302491), (465, 43270960), (488, 41231550), (496, 40566525), (600, 33534994), (610, 32985240), (620, 32453220), (732, 27487700), (744, 27044350), (775, 25962576), (915, 21990160), (930, 21635480), (976, 20615775), (1200, 16767497), (1220, 16492620), (1240, 16226610), (1464, 13743850), (1488, 13522175), (1525, 13194096), (1550, 12981288), (1830, 10995080), (1860, 10817740), (1891, 10640400), (2325, 8654192), (2440, 8246310), (2480, 8113305), (2928, 6871925), (3050, 6597048), (3100, 6490644), (3660, 5497540), (3720, 5408870), (3782, 5320200), (4575, 4398032), (4650, 4327096), (4880, 4123155), (5673, 3546800), (6100, 3298524), (6200, 3245322), (7320, 2748770), (7440, 2704435), (7564, 2660100), (8867, 2269200), (9150, 2199016), (9300, 2163548), (9455, 2128080), (11346, 1773400), (12200, 1649262), (12400, 1622661), (14640, 1374385), (15128, 1330050), (17734, 1134600), (18300, 1099508), (18600, 1081774), (18910, 1064040), (22692, 886700), (24400, 824631), (26601, 756400), (28365, 709360), (30256, 665025), (35468, 567300), (36600, 549754), (37200, 540887), (37820, 532020), (44335, 453840), (45384, 443350), (47275, 425616), (53202, 378200), (56730, 354680), (70936, 283650), (73200, 274877), (75640, 266010), (88670, 226920), (90768, 221675), (94550, 212808), (106404, 189100), (113460, 177340), (133005, 151280), (141825, 141872)]