215325760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:492

約数の個数: 112

約数和(自身を含む): 557125632

約数和(自身を除く): 341799872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 191, 208, 260, 271, 320, 382, 416, 520, 542, 764, 832, 955, 1040, 1084, 1355, 1528, 1910, 2080, 2168, 2483, 2710, 3056, 3523, 3820, 4160, 4336, 4966, 5420, 6112, 7046, 7640, 8672, 9932, 10840, 12224, 12415, 14092, 15280, 17344, 17615, 19864, 21680, 24830, 28184, 30560, 35230, 39728, 43360, 49660, 51761, 56368, 61120, 70460, 79456, 86720, 99320, 103522, 112736, 140920, 158912, 198640, 207044, 225472, 258805, 281840, 397280, 414088, 517610, 563680, 672893, 794560, 828176, 1035220, 1127360, 1345786, 1656352, 2070440, 2691572, 3312704, 3364465, 4140880, 5383144, 6728930, 8281760, 10766288, 13457860, 16563520, 21532576, 26915720, 43065152, 53831440, 107662880, 215325760]

約数ペア:

[(1, 215325760), (2, 107662880), (4, 53831440), (5, 43065152), (8, 26915720), (10, 21532576), (13, 16563520), (16, 13457860), (20, 10766288), (26, 8281760), (32, 6728930), (40, 5383144), (52, 4140880), (64, 3364465), (65, 3312704), (80, 2691572), (104, 2070440), (130, 1656352), (160, 1345786), (191, 1127360), (208, 1035220), (260, 828176), (271, 794560), (320, 672893), (382, 563680), (416, 517610), (520, 414088), (542, 397280), (764, 281840), (832, 258805), (955, 225472), (1040, 207044), (1084, 198640), (1355, 158912), (1528, 140920), (1910, 112736), (2080, 103522), (2168, 99320), (2483, 86720), (2710, 79456), (3056, 70460), (3523, 61120), (3820, 56368), (4160, 51761), (4336, 49660), (4966, 43360), (5420, 39728), (6112, 35230), (7046, 30560), (7640, 28184), (8672, 24830), (9932, 21680), (10840, 19864), (12224, 17615), (12415, 17344), (14092, 15280)]