1520494380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{444589}}^1$

素因数の和:444623

約数の個数: 72

約数和(自身を含む): 4854922800

約数和(自身を除く): 3334428420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 444589, 889178, 1333767, 1778356, 2222945, 2667534, 4001301, 4445890, 5335068, 6668835, 8002602, 8447191, 8891780, 13337670, 16005204, 16894382, 20006505, 25341573, 26675340, 33788764, 40013010, 42235955, 50683146, 76024719, 80026020, 84471910, 101366292, 126707865, 152049438, 168943820, 253415730, 304098876, 380123595, 506831460, 760247190, 1520494380]

約数ペア:

[(1, 1520494380), (2, 760247190), (3, 506831460), (4, 380123595), (5, 304098876), (6, 253415730), (9, 168943820), (10, 152049438), (12, 126707865), (15, 101366292), (18, 84471910), (19, 80026020), (20, 76024719), (30, 50683146), (36, 42235955), (38, 40013010), (45, 33788764), (57, 26675340), (60, 25341573), (76, 20006505), (90, 16894382), (95, 16005204), (114, 13337670), (171, 8891780), (180, 8447191), (190, 8002602), (228, 6668835), (285, 5335068), (342, 4445890), (380, 4001301), (570, 2667534), (684, 2222945), (855, 1778356), (1140, 1333767), (1710, 889178), (3420, 444589)]