177389680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{607}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 446471424

約数和(自身を除く): 269081744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 281, 520, 562, 607, 1040, 1124, 1214, 1405, 2248, 2428, 2810, 3035, 3653, 4496, 4856, 5620, 6070, 7306, 7891, 9712, 11240, 12140, 14612, 15782, 18265, 22480, 24280, 29224, 31564, 36530, 39455, 48560, 58448, 63128, 73060, 78910, 126256, 146120, 157820, 170567, 292240, 315640, 341134, 631280, 682268, 852835, 1364536, 1705670, 2217371, 2729072, 3411340, 4434742, 6822680, 8869484, 11086855, 13645360, 17738968, 22173710, 35477936, 44347420, 88694840, 177389680]

約数ペア:

[(1, 177389680), (2, 88694840), (4, 44347420), (5, 35477936), (8, 22173710), (10, 17738968), (13, 13645360), (16, 11086855), (20, 8869484), (26, 6822680), (40, 4434742), (52, 3411340), (65, 2729072), (80, 2217371), (104, 1705670), (130, 1364536), (208, 852835), (260, 682268), (281, 631280), (520, 341134), (562, 315640), (607, 292240), (1040, 170567), (1124, 157820), (1214, 146120), (1405, 126256), (2248, 78910), (2428, 73060), (2810, 63128), (3035, 58448), (3653, 48560), (4496, 39455), (4856, 36530), (5620, 31564), (6070, 29224), (7306, 24280), (7891, 22480), (9712, 18265), (11240, 15782), (12140, 14612)]