164560400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:649

約数の個数: 120

約数和(自身を含む): 426591744

約数和(自身を除く): 262031344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 115, 124, 155, 184, 200, 230, 248, 310, 368, 400, 460, 496, 575, 577, 620, 713, 775, 920, 1150, 1154, 1240, 1426, 1550, 1840, 2300, 2308, 2480, 2852, 2885, 3100, 3565, 4600, 4616, 5704, 5770, 6200, 7130, 9200, 9232, 11408, 11540, 12400, 13271, 14260, 14425, 17825, 17887, 23080, 26542, 28520, 28850, 35650, 35774, 46160, 53084, 57040, 57700, 66355, 71300, 71548, 89435, 106168, 115400, 132710, 142600, 143096, 178870, 212336, 230800, 265420, 285200, 286192, 331775, 357740, 411401, 447175, 530840, 663550, 715480, 822802, 894350, 1061680, 1327100, 1430960, 1645604, 1788700, 2057005, 2654200, 3291208, 3577400, 4114010, 5308400, 6582416, 7154800, 8228020, 10285025, 16456040, 20570050, 32912080, 41140100, 82280200, 164560400]

約数ペア:

[(1, 164560400), (2, 82280200), (4, 41140100), (5, 32912080), (8, 20570050), (10, 16456040), (16, 10285025), (20, 8228020), (23, 7154800), (25, 6582416), (31, 5308400), (40, 4114010), (46, 3577400), (50, 3291208), (62, 2654200), (80, 2057005), (92, 1788700), (100, 1645604), (115, 1430960), (124, 1327100), (155, 1061680), (184, 894350), (200, 822802), (230, 715480), (248, 663550), (310, 530840), (368, 447175), (400, 411401), (460, 357740), (496, 331775), (575, 286192), (577, 285200), (620, 265420), (713, 230800), (775, 212336), (920, 178870), (1150, 143096), (1154, 142600), (1240, 132710), (1426, 115400), (1550, 106168), (1840, 89435), (2300, 71548), (2308, 71300), (2480, 66355), (2852, 57700), (2885, 57040), (3100, 53084), (3565, 46160), (4600, 35774), (4616, 35650), (5704, 28850), (5770, 28520), (6200, 26542), (7130, 23080), (9200, 17887), (9232, 17825), (11408, 14425), (11540, 14260), (12400, 13271)]