17901780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 37135020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 59, 60, 65, 78, 118, 130, 156, 177, 195, 236, 260, 295, 354, 389, 390, 590, 708, 767, 778, 780, 885, 1167, 1180, 1534, 1556, 1770, 1945, 2301, 2334, 3068, 3540, 3835, 3890, 4602, 4668, 5057, 5835, 7670, 7780, 9204, 10114, 11505, 11670, 15171, 15340, 20228, 22951, 23010, 23340, 25285, 30342, 45902, 46020, 50570, 60684, 68853, 75855, 91804, 101140, 114755, 137706, 151710, 229510, 275412, 298363, 303420, 344265, 459020, 596726, 688530, 895089, 1193452, 1377060, 1491815, 1790178, 2983630, 3580356, 4475445, 5967260, 8950890, 17901780]

約数ペア:

[(1, 17901780), (2, 8950890), (3, 5967260), (4, 4475445), (5, 3580356), (6, 2983630), (10, 1790178), (12, 1491815), (13, 1377060), (15, 1193452), (20, 895089), (26, 688530), (30, 596726), (39, 459020), (52, 344265), (59, 303420), (60, 298363), (65, 275412), (78, 229510), (118, 151710), (130, 137706), (156, 114755), (177, 101140), (195, 91804), (236, 75855), (260, 68853), (295, 60684), (354, 50570), (389, 46020), (390, 45902), (590, 30342), (708, 25285), (767, 23340), (778, 23010), (780, 22951), (885, 20228), (1167, 15340), (1180, 15171), (1534, 11670), (1556, 11505), (1770, 10114), (1945, 9204), (2301, 7780), (2334, 7670), (3068, 5835), (3540, 5057), (3835, 4668), (3890, 4602)]