405371640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 1241982720

約数和(自身を除く): 836611080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 131, 214, 241, 262, 321, 393, 428, 482, 524, 535, 642, 655, 723, 786, 856, 964, 1048, 1070, 1205, 1284, 1310, 1446, 1572, 1605, 1928, 1965, 2140, 2410, 2568, 2620, 2892, 3144, 3210, 3615, 3930, 4280, 4820, 5240, 5784, 6420, 7230, 7860, 9640, 12840, 14017, 14460, 15720, 25787, 28034, 28920, 31571, 42051, 51574, 56068, 63142, 70085, 77361, 84102, 94713, 103148, 112136, 126284, 128935, 140170, 154722, 157855, 168204, 189426, 206296, 210255, 252568, 257870, 280340, 309444, 315710, 336408, 378852, 386805, 420510, 473565, 515740, 560680, 618888, 631420, 757704, 773610, 841020, 947130, 1031480, 1262840, 1547220, 1682040, 1894260, 3094440, 3378097, 3788520, 6756194, 10134291, 13512388, 16890485, 20268582, 27024776, 33780970, 40537164, 50671455, 67561940, 81074328, 101342910, 135123880, 202685820, 405371640]

約数ペア:

[(1, 405371640), (2, 202685820), (3, 135123880), (4, 101342910), (5, 81074328), (6, 67561940), (8, 50671455), (10, 40537164), (12, 33780970), (15, 27024776), (20, 20268582), (24, 16890485), (30, 13512388), (40, 10134291), (60, 6756194), (107, 3788520), (120, 3378097), (131, 3094440), (214, 1894260), (241, 1682040), (262, 1547220), (321, 1262840), (393, 1031480), (428, 947130), (482, 841020), (524, 773610), (535, 757704), (642, 631420), (655, 618888), (723, 560680), (786, 515740), (856, 473565), (964, 420510), (1048, 386805), (1070, 378852), (1205, 336408), (1284, 315710), (1310, 309444), (1446, 280340), (1572, 257870), (1605, 252568), (1928, 210255), (1965, 206296), (2140, 189426), (2410, 168204), (2568, 157855), (2620, 154722), (2892, 140170), (3144, 128935), (3210, 126284), (3615, 112136), (3930, 103148), (4280, 94713), (4820, 84102), (5240, 77361), (5784, 70085), (6420, 63142), (7230, 56068), (7860, 51574), (9640, 42051), (12840, 31571), (14017, 28920), (14460, 28034), (15720, 25787)]