220150840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2013

約数の個数: 128

約数和(自身を含む): 629637120

約数和(自身を除く): 409486280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 1951, 2015, 2170, 2821, 3224, 3640, 3902, 4030, 4340, 5642, 7804, 8060, 8680, 9755, 11284, 13657, 14105, 15608, 16120, 19510, 22568, 25363, 27314, 28210, 39020, 50726, 54628, 56420, 60481, 68285, 78040, 101452, 109256, 112840, 120962, 126815, 136570, 177541, 202904, 241924, 253630, 273140, 302405, 355082, 423367, 483848, 507260, 546280, 604810, 710164, 786253, 846734, 887705, 1014520, 1209620, 1420328, 1572506, 1693468, 1775410, 2116835, 2419240, 3145012, 3386936, 3550820, 3931265, 4233670, 5503771, 6290024, 7101640, 7862530, 8467340, 11007542, 15725060, 16934680, 22015084, 27518855, 31450120, 44030168, 55037710, 110075420, 220150840]

約数ペア:

[(1, 220150840), (2, 110075420), (4, 55037710), (5, 44030168), (7, 31450120), (8, 27518855), (10, 22015084), (13, 16934680), (14, 15725060), (20, 11007542), (26, 8467340), (28, 7862530), (31, 7101640), (35, 6290024), (40, 5503771), (52, 4233670), (56, 3931265), (62, 3550820), (65, 3386936), (70, 3145012), (91, 2419240), (104, 2116835), (124, 1775410), (130, 1693468), (140, 1572506), (155, 1420328), (182, 1209620), (217, 1014520), (248, 887705), (260, 846734), (280, 786253), (310, 710164), (364, 604810), (403, 546280), (434, 507260), (455, 483848), (520, 423367), (620, 355082), (728, 302405), (806, 273140), (868, 253630), (910, 241924), (1085, 202904), (1240, 177541), (1612, 136570), (1736, 126815), (1820, 120962), (1951, 112840), (2015, 109256), (2170, 101452), (2821, 78040), (3224, 68285), (3640, 60481), (3902, 56420), (4030, 54628), (4340, 50726), (5642, 39020), (7804, 28210), (8060, 27314), (8680, 25363), (9755, 22568), (11284, 19510), (13657, 16120), (14105, 15608)]