213905640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137119}}^1$

素因数の和:137146

約数の個数: 64

約数和(自身を含む): 691084800

約数和(自身を除く): 477179160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 137119, 274238, 411357, 548476, 685595, 822714, 1096952, 1371190, 1645428, 1782547, 2056785, 2742380, 3290856, 3565094, 4113570, 5347641, 5484760, 7130188, 8227140, 8912735, 10695282, 14260376, 16454280, 17825470, 21390564, 26738205, 35650940, 42781128, 53476410, 71301880, 106952820, 213905640]

約数ペア:

[(1, 213905640), (2, 106952820), (3, 71301880), (4, 53476410), (5, 42781128), (6, 35650940), (8, 26738205), (10, 21390564), (12, 17825470), (13, 16454280), (15, 14260376), (20, 10695282), (24, 8912735), (26, 8227140), (30, 7130188), (39, 5484760), (40, 5347641), (52, 4113570), (60, 3565094), (65, 3290856), (78, 2742380), (104, 2056785), (120, 1782547), (130, 1645428), (156, 1371190), (195, 1096952), (260, 822714), (312, 685595), (390, 548476), (520, 411357), (780, 274238), (1560, 137119)]