78245550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 222842880

約数和(自身を除く): 144597330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 71, 75, 79, 90, 93, 142, 150, 155, 158, 186, 213, 225, 237, 279, 310, 355, 395, 426, 450, 465, 474, 558, 639, 710, 711, 775, 790, 930, 1065, 1185, 1278, 1395, 1422, 1550, 1775, 1975, 2130, 2201, 2325, 2370, 2449, 2790, 3195, 3550, 3555, 3950, 4402, 4650, 4898, 5325, 5609, 5925, 6390, 6603, 6975, 7110, 7347, 10650, 11005, 11218, 11850, 12245, 13206, 13950, 14694, 15975, 16827, 17775, 19809, 22010, 22041, 24490, 28045, 31950, 33015, 33654, 35550, 36735, 39618, 44082, 50481, 55025, 56090, 61225, 66030, 73470, 84135, 99045, 100962, 110050, 110205, 122450, 140225, 165075, 168270, 173879, 183675, 198090, 220410, 252405, 280450, 330150, 347758, 367350, 420675, 495225, 504810, 521637, 551025, 841350, 869395, 990450, 1043274, 1102050, 1262025, 1564911, 1738790, 2524050, 2608185, 3129822, 4346975, 5216370, 7824555, 8693950, 13040925, 15649110, 26081850, 39122775, 78245550]

約数ペア:

[(1, 78245550), (2, 39122775), (3, 26081850), (5, 15649110), (6, 13040925), (9, 8693950), (10, 7824555), (15, 5216370), (18, 4346975), (25, 3129822), (30, 2608185), (31, 2524050), (45, 1738790), (50, 1564911), (62, 1262025), (71, 1102050), (75, 1043274), (79, 990450), (90, 869395), (93, 841350), (142, 551025), (150, 521637), (155, 504810), (158, 495225), (186, 420675), (213, 367350), (225, 347758), (237, 330150), (279, 280450), (310, 252405), (355, 220410), (395, 198090), (426, 183675), (450, 173879), (465, 168270), (474, 165075), (558, 140225), (639, 122450), (710, 110205), (711, 110050), (775, 100962), (790, 99045), (930, 84135), (1065, 73470), (1185, 66030), (1278, 61225), (1395, 56090), (1422, 55025), (1550, 50481), (1775, 44082), (1975, 39618), (2130, 36735), (2201, 35550), (2325, 33654), (2370, 33015), (2449, 31950), (2790, 28045), (3195, 24490), (3550, 22041), (3555, 22010), (3950, 19809), (4402, 17775), (4650, 16827), (4898, 15975), (5325, 14694), (5609, 13950), (5925, 13206), (6390, 12245), (6603, 11850), (6975, 11218), (7110, 11005), (7347, 10650)]