164253040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2239}}^1$

素因数の和:2390

約数の個数: 80

約数和(自身を含む): 439971840

約数和(自身を除く): 275718800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 2096, 2239, 2620, 3668, 4478, 4585, 5240, 7336, 8956, 9170, 10480, 11195, 14672, 15673, 17912, 18340, 22390, 31346, 35824, 36680, 44780, 62692, 73360, 78365, 89560, 125384, 156730, 179120, 250768, 293309, 313460, 586618, 626920, 1173236, 1253840, 1466545, 2053163, 2346472, 2933090, 4106326, 4692944, 5866180, 8212652, 10265815, 11732360, 16425304, 20531630, 23464720, 32850608, 41063260, 82126520, 164253040]

約数ペア:

[(1, 164253040), (2, 82126520), (4, 41063260), (5, 32850608), (7, 23464720), (8, 20531630), (10, 16425304), (14, 11732360), (16, 10265815), (20, 8212652), (28, 5866180), (35, 4692944), (40, 4106326), (56, 2933090), (70, 2346472), (80, 2053163), (112, 1466545), (131, 1253840), (140, 1173236), (262, 626920), (280, 586618), (524, 313460), (560, 293309), (655, 250768), (917, 179120), (1048, 156730), (1310, 125384), (1834, 89560), (2096, 78365), (2239, 73360), (2620, 62692), (3668, 44780), (4478, 36680), (4585, 35824), (5240, 31346), (7336, 22390), (8956, 18340), (9170, 17912), (10480, 15673), (11195, 14672)]