28276212120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3203}}^1\times {\mathrm{5659}}^1$

素因数の和:8889

約数の個数: 128

約数和(自身を含む): 91398585600

約数和(自身を除く): 63122373480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 3203, 5659, 6406, 9609, 11318, 12812, 16015, 16977, 19218, 22636, 25624, 28295, 32030, 33954, 38436, 41639, 45272, 48045, 56590, 64060, 67908, 73567, 76872, 83278, 84885, 96090, 113180, 124917, 128120, 135816, 147134, 166556, 169770, 192180, 208195, 220701, 226360, 249834, 294268, 333112, 339540, 367835, 384360, 416390, 441402, 499668, 588536, 624585, 679080, 735670, 832780, 882804, 999336, 1103505, 1249170, 1471340, 1665560, 1765608, 2207010, 2498340, 2942680, 4414020, 4996680, 8828040, 18125777, 36251554, 54377331, 72503108, 90628885, 108754662, 145006216, 181257770, 217509324, 235635101, 271886655, 362515540, 435018648, 471270202, 543773310, 706905303, 725031080, 942540404, 1087546620, 1178175505, 1413810606, 1885080808, 2175093240, 2356351010, 2827621212, 3534526515, 4712702020, 5655242424, 7069053030, 9425404040, 14138106060, 28276212120]

約数ペア:

[(1, 28276212120), (2, 14138106060), (3, 9425404040), (4, 7069053030), (5, 5655242424), (6, 4712702020), (8, 3534526515), (10, 2827621212), (12, 2356351010), (13, 2175093240), (15, 1885080808), (20, 1413810606), (24, 1178175505), (26, 1087546620), (30, 942540404), (39, 725031080), (40, 706905303), (52, 543773310), (60, 471270202), (65, 435018648), (78, 362515540), (104, 271886655), (120, 235635101), (130, 217509324), (156, 181257770), (195, 145006216), (260, 108754662), (312, 90628885), (390, 72503108), (520, 54377331), (780, 36251554), (1560, 18125777), (3203, 8828040), (5659, 4996680), (6406, 4414020), (9609, 2942680), (11318, 2498340), (12812, 2207010), (16015, 1765608), (16977, 1665560), (19218, 1471340), (22636, 1249170), (25624, 1103505), (28295, 999336), (32030, 882804), (33954, 832780), (38436, 735670), (41639, 679080), (45272, 624585), (48045, 588536), (56590, 499668), (64060, 441402), (67908, 416390), (73567, 384360), (76872, 367835), (83278, 339540), (84885, 333112), (96090, 294268), (113180, 249834), (124917, 226360), (128120, 220701), (135816, 208195), (147134, 192180), (166556, 169770)]