85343880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 265161600

約数和(自身を除く): 179817720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 89, 120, 122, 131, 178, 183, 244, 262, 267, 305, 356, 366, 393, 445, 488, 524, 534, 610, 655, 712, 732, 786, 890, 915, 1048, 1068, 1220, 1310, 1335, 1464, 1572, 1780, 1830, 1965, 2136, 2440, 2620, 2670, 3144, 3560, 3660, 3930, 5240, 5340, 5429, 7320, 7860, 7991, 10680, 10858, 11659, 15720, 15982, 16287, 21716, 23318, 23973, 27145, 31964, 32574, 34977, 39955, 43432, 46636, 47946, 54290, 58295, 63928, 65148, 69954, 79910, 81435, 93272, 95892, 108580, 116590, 119865, 130296, 139908, 159820, 162870, 174885, 191784, 217160, 233180, 239730, 279816, 319640, 325740, 349770, 466360, 479460, 651480, 699540, 711199, 958920, 1399080, 1422398, 2133597, 2844796, 3555995, 4267194, 5689592, 7111990, 8534388, 10667985, 14223980, 17068776, 21335970, 28447960, 42671940, 85343880]

約数ペア:

[(1, 85343880), (2, 42671940), (3, 28447960), (4, 21335970), (5, 17068776), (6, 14223980), (8, 10667985), (10, 8534388), (12, 7111990), (15, 5689592), (20, 4267194), (24, 3555995), (30, 2844796), (40, 2133597), (60, 1422398), (61, 1399080), (89, 958920), (120, 711199), (122, 699540), (131, 651480), (178, 479460), (183, 466360), (244, 349770), (262, 325740), (267, 319640), (305, 279816), (356, 239730), (366, 233180), (393, 217160), (445, 191784), (488, 174885), (524, 162870), (534, 159820), (610, 139908), (655, 130296), (712, 119865), (732, 116590), (786, 108580), (890, 95892), (915, 93272), (1048, 81435), (1068, 79910), (1220, 69954), (1310, 65148), (1335, 63928), (1464, 58295), (1572, 54290), (1780, 47946), (1830, 46636), (1965, 43432), (2136, 39955), (2440, 34977), (2620, 32574), (2670, 31964), (3144, 27145), (3560, 23973), (3660, 23318), (3930, 21716), (5240, 16287), (5340, 15982), (5429, 15720), (7320, 11659), (7860, 10858), (7991, 10680)]