28480440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:661

約数の個数: 128

約数和(自身を含む): 94556160

約数和(自身を除く): 66075720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 607, 680, 690, 782, 920, 1020, 1173, 1214, 1380, 1564, 1821, 1955, 2040, 2346, 2428, 2760, 3035, 3128, 3642, 3910, 4692, 4856, 5865, 6070, 7284, 7820, 9105, 9384, 10319, 11730, 12140, 13961, 14568, 15640, 18210, 20638, 23460, 24280, 27922, 30957, 36420, 41276, 41883, 46920, 51595, 55844, 61914, 69805, 72840, 82552, 83766, 103190, 111688, 123828, 139610, 154785, 167532, 206380, 209415, 237337, 247656, 279220, 309570, 335064, 412760, 418830, 474674, 558440, 619140, 712011, 837660, 949348, 1186685, 1238280, 1424022, 1675320, 1898696, 2373370, 2848044, 3560055, 4746740, 5696088, 7120110, 9493480, 14240220, 28480440]

約数ペア:

[(1, 28480440), (2, 14240220), (3, 9493480), (4, 7120110), (5, 5696088), (6, 4746740), (8, 3560055), (10, 2848044), (12, 2373370), (15, 1898696), (17, 1675320), (20, 1424022), (23, 1238280), (24, 1186685), (30, 949348), (34, 837660), (40, 712011), (46, 619140), (51, 558440), (60, 474674), (68, 418830), (69, 412760), (85, 335064), (92, 309570), (102, 279220), (115, 247656), (120, 237337), (136, 209415), (138, 206380), (170, 167532), (184, 154785), (204, 139610), (230, 123828), (255, 111688), (276, 103190), (340, 83766), (345, 82552), (391, 72840), (408, 69805), (460, 61914), (510, 55844), (552, 51595), (607, 46920), (680, 41883), (690, 41276), (782, 36420), (920, 30957), (1020, 27922), (1173, 24280), (1214, 23460), (1380, 20638), (1564, 18210), (1821, 15640), (1955, 14568), (2040, 13961), (2346, 12140), (2428, 11730), (2760, 10319), (3035, 9384), (3128, 9105), (3642, 7820), (3910, 7284), (4692, 6070), (4856, 5865)]