251169440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:766

約数の個数: 96

約数和(自身を含む): 621250560

約数和(自身を除く): 370081120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 79, 80, 124, 155, 158, 160, 248, 310, 316, 395, 496, 620, 632, 641, 790, 992, 1240, 1264, 1282, 1580, 2449, 2480, 2528, 2564, 3160, 3205, 4898, 4960, 5128, 6320, 6410, 9796, 10256, 12245, 12640, 12820, 19592, 19871, 20512, 24490, 25640, 39184, 39742, 48980, 50639, 51280, 78368, 79484, 97960, 99355, 101278, 102560, 158968, 195920, 198710, 202556, 253195, 317936, 391840, 397420, 405112, 506390, 635872, 794840, 810224, 1012780, 1569809, 1589680, 1620448, 2025560, 3139618, 3179360, 4051120, 6279236, 7849045, 8102240, 12558472, 15698090, 25116944, 31396180, 50233888, 62792360, 125584720, 251169440]

約数ペア:

[(1, 251169440), (2, 125584720), (4, 62792360), (5, 50233888), (8, 31396180), (10, 25116944), (16, 15698090), (20, 12558472), (31, 8102240), (32, 7849045), (40, 6279236), (62, 4051120), (79, 3179360), (80, 3139618), (124, 2025560), (155, 1620448), (158, 1589680), (160, 1569809), (248, 1012780), (310, 810224), (316, 794840), (395, 635872), (496, 506390), (620, 405112), (632, 397420), (641, 391840), (790, 317936), (992, 253195), (1240, 202556), (1264, 198710), (1282, 195920), (1580, 158968), (2449, 102560), (2480, 101278), (2528, 99355), (2564, 97960), (3160, 79484), (3205, 78368), (4898, 51280), (4960, 50639), (5128, 48980), (6320, 39742), (6410, 39184), (9796, 25640), (10256, 24490), (12245, 20512), (12640, 19871), (12820, 19592)]