31473840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 98208000

約数和(自身を除く): 66734160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 398, 597, 659, 796, 995, 1194, 1318, 1592, 1977, 1990, 2388, 2636, 2985, 3184, 3295, 3954, 3980, 4776, 5272, 5970, 6590, 7908, 7960, 9552, 9885, 10544, 11940, 13180, 15816, 15920, 19770, 23880, 26360, 31632, 39540, 47760, 52720, 79080, 131141, 158160, 262282, 393423, 524564, 655705, 786846, 1049128, 1311410, 1573692, 1967115, 2098256, 2622820, 3147384, 3934230, 5245640, 6294768, 7868460, 10491280, 15736920, 31473840]

約数ペア:

[(1, 31473840), (2, 15736920), (3, 10491280), (4, 7868460), (5, 6294768), (6, 5245640), (8, 3934230), (10, 3147384), (12, 2622820), (15, 2098256), (16, 1967115), (20, 1573692), (24, 1311410), (30, 1049128), (40, 786846), (48, 655705), (60, 524564), (80, 393423), (120, 262282), (199, 158160), (240, 131141), (398, 79080), (597, 52720), (659, 47760), (796, 39540), (995, 31632), (1194, 26360), (1318, 23880), (1592, 19770), (1977, 15920), (1990, 15816), (2388, 13180), (2636, 11940), (2985, 10544), (3184, 9885), (3295, 9552), (3954, 7960), (3980, 7908), (4776, 6590), (5272, 5970)]