161275920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51691}}^1$

素因数の和:51720

約数の個数: 80

約数和(自身を含む): 538423872

約数和(自身を除く): 377147952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 51691, 103382, 155073, 206764, 258455, 310146, 413528, 516910, 620292, 671983, 775365, 827056, 1033820, 1240584, 1343966, 1550730, 2015949, 2067640, 2481168, 2687932, 3101460, 3359915, 4031898, 4135280, 5375864, 6202920, 6719830, 8063796, 10079745, 10751728, 12405840, 13439660, 16127592, 20159490, 26879320, 32255184, 40318980, 53758640, 80637960, 161275920]

約数ペア:

[(1, 161275920), (2, 80637960), (3, 53758640), (4, 40318980), (5, 32255184), (6, 26879320), (8, 20159490), (10, 16127592), (12, 13439660), (13, 12405840), (15, 10751728), (16, 10079745), (20, 8063796), (24, 6719830), (26, 6202920), (30, 5375864), (39, 4135280), (40, 4031898), (48, 3359915), (52, 3101460), (60, 2687932), (65, 2481168), (78, 2067640), (80, 2015949), (104, 1550730), (120, 1343966), (130, 1240584), (156, 1033820), (195, 827056), (208, 775365), (240, 671983), (260, 620292), (312, 516910), (390, 413528), (520, 310146), (624, 258455), (780, 206764), (1040, 155073), (1560, 103382), (3120, 51691)]