1987345440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{821}}^1$

素因数の和:924

約数の個数: 216

約数和(自身を含む): 6959727684

約数和(自身を除く): 4972382244

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 328, 360, 369, 410, 480, 492, 615, 656, 720, 738, 820, 821, 984, 1230, 1312, 1440, 1476, 1640, 1642, 1681, 1845, 1968, 2460, 2463, 2952, 3280, 3284, 3362, 3690, 3936, 4105, 4920, 4926, 5043, 5904, 6560, 6568, 6724, 7380, 7389, 8210, 8405, 9840, 9852, 10086, 11808, 12315, 13136, 13448, 14760, 14778, 15129, 16420, 16810, 19680, 19704, 20172, 24630, 25215, 26272, 26896, 29520, 29556, 30258, 32840, 33620, 33661, 36945, 39408, 40344, 49260, 50430, 53792, 59040, 59112, 60516, 65680, 67240, 67322, 73890, 75645, 78816, 80688, 98520, 100860, 100983, 118224, 121032, 131360, 134480, 134644, 147780, 151290, 161376, 168305, 197040, 201720, 201966, 236448, 242064, 268960, 269288, 295560, 302580, 302949, 336610, 394080, 403440, 403932, 484128, 504915, 538576, 591120, 605160, 605898, 673220, 806880, 807864, 1009830, 1077152, 1182240, 1210320, 1211796, 1346440, 1380101, 1514745, 1615728, 2019660, 2420640, 2423592, 2692880, 2760202, 3029490, 3231456, 4039320, 4140303, 4847184, 5385760, 5520404, 6058980, 6900505, 8078640, 8280606, 9694368, 11040808, 12117960, 12420909, 13801010, 16157280, 16561212, 20701515, 22081616, 24235920, 24841818, 27602020, 33122424, 41403030, 44163232, 48471840, 49683636, 55204040, 62104545, 66244848, 82806060, 99367272, 110408080, 124209090, 132489696, 165612120, 198734544, 220816160, 248418180, 331224240, 397469088, 496836360, 662448480, 993672720, 1987345440]

約数ペア:

[(1, 1987345440), (2, 993672720), (3, 662448480), (4, 496836360), (5, 397469088), (6, 331224240), (8, 248418180), (9, 220816160), (10, 198734544), (12, 165612120), (15, 132489696), (16, 124209090), (18, 110408080), (20, 99367272), (24, 82806060), (30, 66244848), (32, 62104545), (36, 55204040), (40, 49683636), (41, 48471840), (45, 44163232), (48, 41403030), (60, 33122424), (72, 27602020), (80, 24841818), (82, 24235920), (90, 22081616), (96, 20701515), (120, 16561212), (123, 16157280), (144, 13801010), (160, 12420909), (164, 12117960), (180, 11040808), (205, 9694368), (240, 8280606), (246, 8078640), (288, 6900505), (328, 6058980), (360, 5520404), (369, 5385760), (410, 4847184), (480, 4140303), (492, 4039320), (615, 3231456), (656, 3029490), (720, 2760202), (738, 2692880), (820, 2423592), (821, 2420640), (984, 2019660), (1230, 1615728), (1312, 1514745), (1440, 1380101), (1476, 1346440), (1640, 1211796), (1642, 1210320), (1681, 1182240), (1845, 1077152), (1968, 1009830), (2460, 807864), (2463, 806880), (2952, 673220), (3280, 605898), (3284, 605160), (3362, 591120), (3690, 538576), (3936, 504915), (4105, 484128), (4920, 403932), (4926, 403440), (5043, 394080), (5904, 336610), (6560, 302949), (6568, 302580), (6724, 295560), (7380, 269288), (7389, 268960), (8210, 242064), (8405, 236448), (9840, 201966), (9852, 201720), (10086, 197040), (11808, 168305), (12315, 161376), (13136, 151290), (13448, 147780), (14760, 134644), (14778, 134480), (15129, 131360), (16420, 121032), (16810, 118224), (19680, 100983), (19704, 100860), (20172, 98520), (24630, 80688), (25215, 78816), (26272, 75645), (26896, 73890), (29520, 67322), (29556, 67240), (30258, 65680), (32840, 60516), (33620, 59112), (33661, 59040), (36945, 53792), (39408, 50430), (40344, 49260)]