213428280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136813}}^1$

素因数の和:136840

約数の個数: 64

約数和(自身を含む): 689542560

約数和(自身を除く): 476114280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 136813, 273626, 410439, 547252, 684065, 820878, 1094504, 1368130, 1641756, 1778569, 2052195, 2736260, 3283512, 3557138, 4104390, 5335707, 5472520, 7114276, 8208780, 8892845, 10671414, 14228552, 16417560, 17785690, 21342828, 26678535, 35571380, 42685656, 53357070, 71142760, 106714140, 213428280]

約数ペア:

[(1, 213428280), (2, 106714140), (3, 71142760), (4, 53357070), (5, 42685656), (6, 35571380), (8, 26678535), (10, 21342828), (12, 17785690), (13, 16417560), (15, 14228552), (20, 10671414), (24, 8892845), (26, 8208780), (30, 7114276), (39, 5472520), (40, 5335707), (52, 4104390), (60, 3557138), (65, 3283512), (78, 2736260), (104, 2052195), (120, 1778569), (130, 1641756), (156, 1368130), (195, 1094504), (260, 820878), (312, 684065), (390, 547252), (520, 410439), (780, 273626), (1560, 136813)]