1720428720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{377287}}^1$

素因数の和:377322

約数の個数: 80

約数和(自身を含む): 5614045440

約数和(自身を除く): 3893616720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 377287, 754574, 1131861, 1509148, 1886435, 2263722, 3018296, 3772870, 4527444, 5659305, 6036592, 7168453, 7545740, 9054888, 11318610, 14336906, 15091480, 18109776, 21505359, 22637220, 28673812, 30182960, 35842265, 43010718, 45274440, 57347624, 71684530, 86021436, 90548880, 107526795, 114695248, 143369060, 172042872, 215053590, 286738120, 344085744, 430107180, 573476240, 860214360, 1720428720]

約数ペア:

[(1, 1720428720), (2, 860214360), (3, 573476240), (4, 430107180), (5, 344085744), (6, 286738120), (8, 215053590), (10, 172042872), (12, 143369060), (15, 114695248), (16, 107526795), (19, 90548880), (20, 86021436), (24, 71684530), (30, 57347624), (38, 45274440), (40, 43010718), (48, 35842265), (57, 30182960), (60, 28673812), (76, 22637220), (80, 21505359), (95, 18109776), (114, 15091480), (120, 14336906), (152, 11318610), (190, 9054888), (228, 7545740), (240, 7168453), (285, 6036592), (304, 5659305), (380, 4527444), (456, 3772870), (570, 3018296), (760, 2263722), (912, 1886435), (1140, 1509148), (1520, 1131861), (2280, 754574), (4560, 377287)]