280774920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 867335040

約数和(自身を除く): 586560120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 131, 159, 212, 262, 265, 318, 337, 393, 424, 524, 530, 636, 655, 674, 786, 795, 1011, 1048, 1060, 1272, 1310, 1348, 1572, 1590, 1685, 1965, 2022, 2120, 2620, 2696, 3144, 3180, 3370, 3930, 4044, 5055, 5240, 6360, 6740, 6943, 7860, 8088, 10110, 13480, 13886, 15720, 17861, 20220, 20829, 27772, 34715, 35722, 40440, 41658, 44147, 53583, 55544, 69430, 71444, 83316, 88294, 89305, 104145, 107166, 132441, 138860, 142888, 166632, 176588, 178610, 208290, 214332, 220735, 264882, 267915, 277720, 353176, 357220, 416580, 428664, 441470, 529764, 535830, 662205, 714440, 833160, 882940, 1059528, 1071660, 1324410, 1765880, 2143320, 2339791, 2648820, 4679582, 5297640, 7019373, 9359164, 11698955, 14038746, 18718328, 23397910, 28077492, 35096865, 46795820, 56154984, 70193730, 93591640, 140387460, 280774920]

約数ペア:

[(1, 280774920), (2, 140387460), (3, 93591640), (4, 70193730), (5, 56154984), (6, 46795820), (8, 35096865), (10, 28077492), (12, 23397910), (15, 18718328), (20, 14038746), (24, 11698955), (30, 9359164), (40, 7019373), (53, 5297640), (60, 4679582), (106, 2648820), (120, 2339791), (131, 2143320), (159, 1765880), (212, 1324410), (262, 1071660), (265, 1059528), (318, 882940), (337, 833160), (393, 714440), (424, 662205), (524, 535830), (530, 529764), (636, 441470), (655, 428664), (674, 416580), (786, 357220), (795, 353176), (1011, 277720), (1048, 267915), (1060, 264882), (1272, 220735), (1310, 214332), (1348, 208290), (1572, 178610), (1590, 176588), (1685, 166632), (1965, 142888), (2022, 138860), (2120, 132441), (2620, 107166), (2696, 104145), (3144, 89305), (3180, 88294), (3370, 83316), (3930, 71444), (4044, 69430), (5055, 55544), (5240, 53583), (6360, 44147), (6740, 41658), (6943, 40440), (7860, 35722), (8088, 34715), (10110, 27772), (13480, 20829), (13886, 20220), (15720, 17861)]