1859980160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:680

約数の個数: 128

約数和(自身を含む): 4620844800

約数和(自身を除く): 2760864640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 241, 248, 310, 320, 389, 482, 496, 620, 640, 778, 964, 992, 1205, 1240, 1556, 1928, 1945, 1984, 2410, 2480, 3112, 3856, 3890, 3968, 4820, 4960, 6224, 7471, 7712, 7780, 9640, 9920, 12059, 12448, 14942, 15424, 15560, 19280, 19840, 24118, 24896, 29884, 30848, 31120, 37355, 38560, 48236, 49792, 59768, 60295, 62240, 74710, 77120, 93749, 96472, 119536, 120590, 124480, 149420, 154240, 187498, 192944, 239072, 241180, 248960, 298840, 374996, 385888, 468745, 478144, 482360, 597680, 749992, 771776, 937490, 956288, 964720, 1195360, 1499984, 1543552, 1874980, 1929440, 2390720, 2906219, 2999968, 3749960, 3858880, 4781440, 5812438, 5999936, 7499920, 7717760, 11624876, 11999872, 14531095, 14999840, 23249752, 29062190, 29999680, 46499504, 58124380, 59999360, 92999008, 116248760, 185998016, 232497520, 371996032, 464995040, 929990080, 1859980160]

約数ペア:

[(1, 1859980160), (2, 929990080), (4, 464995040), (5, 371996032), (8, 232497520), (10, 185998016), (16, 116248760), (20, 92999008), (31, 59999360), (32, 58124380), (40, 46499504), (62, 29999680), (64, 29062190), (80, 23249752), (124, 14999840), (128, 14531095), (155, 11999872), (160, 11624876), (241, 7717760), (248, 7499920), (310, 5999936), (320, 5812438), (389, 4781440), (482, 3858880), (496, 3749960), (620, 2999968), (640, 2906219), (778, 2390720), (964, 1929440), (992, 1874980), (1205, 1543552), (1240, 1499984), (1556, 1195360), (1928, 964720), (1945, 956288), (1984, 937490), (2410, 771776), (2480, 749992), (3112, 597680), (3856, 482360), (3890, 478144), (3968, 468745), (4820, 385888), (4960, 374996), (6224, 298840), (7471, 248960), (7712, 241180), (7780, 239072), (9640, 192944), (9920, 187498), (12059, 154240), (12448, 149420), (14942, 124480), (15424, 120590), (15560, 119536), (19280, 96472), (19840, 93749), (24118, 77120), (24896, 74710), (29884, 62240), (30848, 60295), (31120, 59768), (37355, 49792), (38560, 48236)]