201515320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2897}}^1$

素因数の和:2992

約数の個数: 64

約数和(自身を含む): 475735680

約数和(自身を除く): 274220360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1480, 1739, 1880, 2897, 3478, 5794, 6956, 8695, 11588, 13912, 14485, 17390, 23176, 28970, 34780, 57940, 69560, 107189, 115880, 136159, 214378, 272318, 428756, 535945, 544636, 680795, 857512, 1071890, 1089272, 1361590, 2143780, 2723180, 4287560, 5037883, 5446360, 10075766, 20151532, 25189415, 40303064, 50378830, 100757660, 201515320]

約数ペア:

[(1, 201515320), (2, 100757660), (4, 50378830), (5, 40303064), (8, 25189415), (10, 20151532), (20, 10075766), (37, 5446360), (40, 5037883), (47, 4287560), (74, 2723180), (94, 2143780), (148, 1361590), (185, 1089272), (188, 1071890), (235, 857512), (296, 680795), (370, 544636), (376, 535945), (470, 428756), (740, 272318), (940, 214378), (1480, 136159), (1739, 115880), (1880, 107189), (2897, 69560), (3478, 57940), (5794, 34780), (6956, 28970), (8695, 23176), (11588, 17390), (13912, 14485)]