157745980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1979

約数の個数: 96

約数和(自身を含む): 411586560

約数和(自身を除く): 253840580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 1085, 1178, 1330, 1913, 2170, 2356, 2660, 2945, 3826, 4123, 4340, 5890, 7652, 8246, 9565, 11780, 13391, 16492, 19130, 20615, 26782, 36347, 38260, 41230, 53564, 59303, 66955, 72694, 82460, 118606, 133910, 145388, 181735, 237212, 254429, 267820, 296515, 363470, 415121, 508858, 593030, 726940, 830242, 1017716, 1126757, 1186060, 1272145, 1660484, 2075605, 2253514, 2544290, 4151210, 4507028, 5088580, 5633785, 7887299, 8302420, 11267570, 15774598, 22535140, 31549196, 39436495, 78872990, 157745980]

約数ペア:

[(1, 157745980), (2, 78872990), (4, 39436495), (5, 31549196), (7, 22535140), (10, 15774598), (14, 11267570), (19, 8302420), (20, 7887299), (28, 5633785), (31, 5088580), (35, 4507028), (38, 4151210), (62, 2544290), (70, 2253514), (76, 2075605), (95, 1660484), (124, 1272145), (133, 1186060), (140, 1126757), (155, 1017716), (190, 830242), (217, 726940), (266, 593030), (310, 508858), (380, 415121), (434, 363470), (532, 296515), (589, 267820), (620, 254429), (665, 237212), (868, 181735), (1085, 145388), (1178, 133910), (1330, 118606), (1913, 82460), (2170, 72694), (2356, 66955), (2660, 59303), (2945, 53564), (3826, 41230), (4123, 38260), (4340, 36347), (5890, 26782), (7652, 20615), (8246, 19130), (9565, 16492), (11780, 13391)]