20161821300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{439}}^1\times {\mathrm{153089}}^1$

素因数の和:153545

約数の個数: 72

約数和(自身を含む): 58468132800

約数和(自身を除く): 38306311500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 439, 878, 1317, 1756, 2195, 2634, 4390, 5268, 6585, 8780, 10975, 13170, 21950, 26340, 32925, 43900, 65850, 131700, 153089, 306178, 459267, 612356, 765445, 918534, 1530890, 1837068, 2296335, 3061780, 3827225, 4592670, 7654450, 9185340, 11481675, 15308900, 22963350, 45926700, 67206071, 134412142, 201618213, 268824284, 336030355, 403236426, 672060710, 806472852, 1008091065, 1344121420, 1680151775, 2016182130, 3360303550, 4032364260, 5040455325, 6720607100, 10080910650, 20161821300]

約数ペア:

[(1, 20161821300), (2, 10080910650), (3, 6720607100), (4, 5040455325), (5, 4032364260), (6, 3360303550), (10, 2016182130), (12, 1680151775), (15, 1344121420), (20, 1008091065), (25, 806472852), (30, 672060710), (50, 403236426), (60, 336030355), (75, 268824284), (100, 201618213), (150, 134412142), (300, 67206071), (439, 45926700), (878, 22963350), (1317, 15308900), (1756, 11481675), (2195, 9185340), (2634, 7654450), (4390, 4592670), (5268, 3827225), (6585, 3061780), (8780, 2296335), (10975, 1837068), (13170, 1530890), (21950, 918534), (26340, 765445), (32925, 612356), (43900, 459267), (65850, 306178), (131700, 153089)]