290460240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{8233}}^1$

素因数の和:8266

約数の個数: 180

約数和(自身を含む): 1134859284

約数和(自身を除く): 844399044

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8233, 8820, 11760, 16466, 17640, 24699, 32932, 35280, 41165, 49398, 57631, 65864, 74097, 82330, 98796, 115262, 123495, 131728, 148194, 164660, 172893, 197592, 230524, 246990, 288155, 296388, 329320, 345786, 370485, 395184, 403417, 461048, 493980, 518679, 576310, 592776, 658640, 691572, 740970, 806834, 864465, 922096, 987960, 1037358, 1152620, 1185552, 1210251, 1383144, 1481940, 1613668, 1728930, 1975920, 2017085, 2074716, 2305240, 2420502, 2593395, 2766288, 2963880, 3227336, 3457860, 3630753, 4034170, 4149432, 4610480, 4841004, 5186790, 5927760, 6051255, 6454672, 6915720, 7261506, 8068340, 8298864, 9682008, 10373580, 12102510, 13831440, 14523012, 16136680, 18153765, 19364016, 20747160, 24205020, 29046024, 32273360, 36307530, 41494320, 48410040, 58092048, 72615060, 96820080, 145230120, 290460240]

約数ペア:

[(1, 290460240), (2, 145230120), (3, 96820080), (4, 72615060), (5, 58092048), (6, 48410040), (7, 41494320), (8, 36307530), (9, 32273360), (10, 29046024), (12, 24205020), (14, 20747160), (15, 19364016), (16, 18153765), (18, 16136680), (20, 14523012), (21, 13831440), (24, 12102510), (28, 10373580), (30, 9682008), (35, 8298864), (36, 8068340), (40, 7261506), (42, 6915720), (45, 6454672), (48, 6051255), (49, 5927760), (56, 5186790), (60, 4841004), (63, 4610480), (70, 4149432), (72, 4034170), (80, 3630753), (84, 3457860), (90, 3227336), (98, 2963880), (105, 2766288), (112, 2593395), (120, 2420502), (126, 2305240), (140, 2074716), (144, 2017085), (147, 1975920), (168, 1728930), (180, 1613668), (196, 1481940), (210, 1383144), (240, 1210251), (245, 1185552), (252, 1152620), (280, 1037358), (294, 987960), (315, 922096), (336, 864465), (360, 806834), (392, 740970), (420, 691572), (441, 658640), (490, 592776), (504, 576310), (560, 518679), (588, 493980), (630, 461048), (720, 403417), (735, 395184), (784, 370485), (840, 345786), (882, 329320), (980, 296388), (1008, 288155), (1176, 246990), (1260, 230524), (1470, 197592), (1680, 172893), (1764, 164660), (1960, 148194), (2205, 131728), (2352, 123495), (2520, 115262), (2940, 98796), (3528, 82330), (3920, 74097), (4410, 65864), (5040, 57631), (5880, 49398), (7056, 41165), (8233, 35280), (8820, 32932), (11760, 24699), (16466, 17640)]