21160669440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{177761}}^1$

素因数の和:177816

約数の個数: 144

約数和(自身を含む): 69762341376

約数和(自身を除く): 48601671936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3840, 3968, 4960, 5952, 7440, 7936, 9920, 11904, 14880, 19840, 23808, 29760, 39680, 59520, 119040, 177761, 355522, 533283, 711044, 888805, 1066566, 1422088, 1777610, 2133132, 2666415, 2844176, 3555220, 4266264, 5332830, 5510591, 5688352, 7110440, 8532528, 10665660, 11021182, 11376704, 14220880, 16531773, 17065056, 21331320, 22042364, 22753408, 27552955, 28441760, 33063546, 34130112, 42662640, 44084728, 45506816, 55105910, 56883520, 66127092, 68260224, 82658865, 85325280, 88169456, 110211820, 113767040, 132254184, 136520448, 165317730, 170650560, 176338912, 220423640, 227534080, 264508368, 330635460, 341301120, 352677824, 440847280, 529016736, 661270920, 682602240, 705355648, 881694560, 1058033472, 1322541840, 1410711296, 1763389120, 2116066944, 2645083680, 3526778240, 4232133888, 5290167360, 7053556480, 10580334720, 21160669440]

約数ペア:

[(1, 21160669440), (2, 10580334720), (3, 7053556480), (4, 5290167360), (5, 4232133888), (6, 3526778240), (8, 2645083680), (10, 2116066944), (12, 1763389120), (15, 1410711296), (16, 1322541840), (20, 1058033472), (24, 881694560), (30, 705355648), (31, 682602240), (32, 661270920), (40, 529016736), (48, 440847280), (60, 352677824), (62, 341301120), (64, 330635460), (80, 264508368), (93, 227534080), (96, 220423640), (120, 176338912), (124, 170650560), (128, 165317730), (155, 136520448), (160, 132254184), (186, 113767040), (192, 110211820), (240, 88169456), (248, 85325280), (256, 82658865), (310, 68260224), (320, 66127092), (372, 56883520), (384, 55105910), (465, 45506816), (480, 44084728), (496, 42662640), (620, 34130112), (640, 33063546), (744, 28441760), (768, 27552955), (930, 22753408), (960, 22042364), (992, 21331320), (1240, 17065056), (1280, 16531773), (1488, 14220880), (1860, 11376704), (1920, 11021182), (1984, 10665660), (2480, 8532528), (2976, 7110440), (3720, 5688352), (3840, 5510591), (3968, 5332830), (4960, 4266264), (5952, 3555220), (7440, 2844176), (7936, 2666415), (9920, 2133132), (11904, 1777610), (14880, 1422088), (19840, 1066566), (23808, 888805), (29760, 711044), (39680, 533283), (59520, 355522), (119040, 177761)]