1268470320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{406561}}^1$

素因数の和:406590

約数の個数: 80

約数和(自身を含む): 4234749792

約数和(自身を除く): 2966279472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 406561, 813122, 1219683, 1626244, 2032805, 2439366, 3252488, 4065610, 4878732, 5285293, 6098415, 6504976, 8131220, 9757464, 10570586, 12196830, 15855879, 16262440, 19514928, 21141172, 24393660, 26426465, 31711758, 32524880, 42282344, 48787320, 52852930, 63423516, 79279395, 84564688, 97574640, 105705860, 126847032, 158558790, 211411720, 253694064, 317117580, 422823440, 634235160, 1268470320]

約数ペア:

[(1, 1268470320), (2, 634235160), (3, 422823440), (4, 317117580), (5, 253694064), (6, 211411720), (8, 158558790), (10, 126847032), (12, 105705860), (13, 97574640), (15, 84564688), (16, 79279395), (20, 63423516), (24, 52852930), (26, 48787320), (30, 42282344), (39, 32524880), (40, 31711758), (48, 26426465), (52, 24393660), (60, 21141172), (65, 19514928), (78, 16262440), (80, 15855879), (104, 12196830), (120, 10570586), (130, 9757464), (156, 8131220), (195, 6504976), (208, 6098415), (240, 5285293), (260, 4878732), (312, 4065610), (390, 3252488), (520, 2439366), (624, 2032805), (780, 1626244), (1040, 1219683), (1560, 813122), (3120, 406561)]