72406390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 156561408

約数和(自身を除く): 84155018

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 61, 62, 70, 122, 155, 217, 305, 310, 427, 434, 547, 610, 854, 1085, 1094, 1891, 2135, 2170, 2735, 3782, 3829, 4270, 5470, 7658, 9455, 13237, 16957, 18910, 19145, 26474, 33367, 33914, 38290, 66185, 66734, 84785, 118699, 132370, 166835, 169570, 233569, 237398, 333670, 467138, 593495, 1034377, 1167845, 1186990, 2068754, 2335690, 5171885, 7240639, 10343770, 14481278, 36203195, 72406390]

約数ペア:

[(1, 72406390), (2, 36203195), (5, 14481278), (7, 10343770), (10, 7240639), (14, 5171885), (31, 2335690), (35, 2068754), (61, 1186990), (62, 1167845), (70, 1034377), (122, 593495), (155, 467138), (217, 333670), (305, 237398), (310, 233569), (427, 169570), (434, 166835), (547, 132370), (610, 118699), (854, 84785), (1085, 66734), (1094, 66185), (1891, 38290), (2135, 33914), (2170, 33367), (2735, 26474), (3782, 19145), (3829, 18910), (4270, 16957), (5470, 13237), (7658, 9455)]