81499080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 266716800

約数和(自身を除く): 185217720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 89, 104, 120, 130, 156, 178, 195, 260, 267, 312, 356, 390, 445, 520, 534, 587, 712, 780, 890, 1068, 1157, 1174, 1335, 1560, 1761, 1780, 2136, 2314, 2348, 2670, 2935, 3471, 3522, 3560, 4628, 4696, 5340, 5785, 5870, 6942, 7044, 7631, 8805, 9256, 10680, 11570, 11740, 13884, 14088, 15262, 17355, 17610, 22893, 23140, 23480, 27768, 30524, 34710, 35220, 38155, 45786, 46280, 52243, 61048, 69420, 70440, 76310, 91572, 104486, 114465, 138840, 152620, 156729, 183144, 208972, 228930, 261215, 305240, 313458, 417944, 457860, 522430, 626916, 679159, 783645, 915720, 1044860, 1253832, 1358318, 1567290, 2037477, 2089720, 2716636, 3134580, 3395795, 4074954, 5433272, 6269160, 6791590, 8149908, 10187385, 13583180, 16299816, 20374770, 27166360, 40749540, 81499080]

約数ペア:

[(1, 81499080), (2, 40749540), (3, 27166360), (4, 20374770), (5, 16299816), (6, 13583180), (8, 10187385), (10, 8149908), (12, 6791590), (13, 6269160), (15, 5433272), (20, 4074954), (24, 3395795), (26, 3134580), (30, 2716636), (39, 2089720), (40, 2037477), (52, 1567290), (60, 1358318), (65, 1253832), (78, 1044860), (89, 915720), (104, 783645), (120, 679159), (130, 626916), (156, 522430), (178, 457860), (195, 417944), (260, 313458), (267, 305240), (312, 261215), (356, 228930), (390, 208972), (445, 183144), (520, 156729), (534, 152620), (587, 138840), (712, 114465), (780, 104486), (890, 91572), (1068, 76310), (1157, 70440), (1174, 69420), (1335, 61048), (1560, 52243), (1761, 46280), (1780, 45786), (2136, 38155), (2314, 35220), (2348, 34710), (2670, 30524), (2935, 27768), (3471, 23480), (3522, 23140), (3560, 22893), (4628, 17610), (4696, 17355), (5340, 15262), (5785, 14088), (5870, 13884), (6942, 11740), (7044, 11570), (7631, 10680), (8805, 9256)]