291268480

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1464

約数の個数: 128

約数和(自身を含む): 776628000

約数和(自身を除く): 485359520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 544, 608, 640, 646, 680, 760, 1088, 1216, 1292, 1360, 1409, 1520, 1615, 2176, 2432, 2584, 2720, 2818, 3040, 3230, 5168, 5440, 5636, 6080, 6460, 7045, 10336, 10880, 11272, 12160, 12920, 14090, 20672, 22544, 23953, 25840, 26771, 28180, 41344, 45088, 47906, 51680, 53542, 56360, 90176, 95812, 103360, 107084, 112720, 119765, 133855, 180352, 191624, 206720, 214168, 225440, 239530, 267710, 383248, 428336, 450880, 455107, 479060, 535420, 766496, 856672, 901760, 910214, 958120, 1070840, 1532992, 1713344, 1820428, 1916240, 2141680, 2275535, 3065984, 3426688, 3640856, 3832480, 4283360, 4551070, 7281712, 7664960, 8566720, 9102140, 14563424, 15329920, 17133440, 18204280, 29126848, 36408560, 58253696, 72817120, 145634240, 291268480]

約数ペア:

[(1, 291268480), (2, 145634240), (4, 72817120), (5, 58253696), (8, 36408560), (10, 29126848), (16, 18204280), (17, 17133440), (19, 15329920), (20, 14563424), (32, 9102140), (34, 8566720), (38, 7664960), (40, 7281712), (64, 4551070), (68, 4283360), (76, 3832480), (80, 3640856), (85, 3426688), (95, 3065984), (128, 2275535), (136, 2141680), (152, 1916240), (160, 1820428), (170, 1713344), (190, 1532992), (272, 1070840), (304, 958120), (320, 910214), (323, 901760), (340, 856672), (380, 766496), (544, 535420), (608, 479060), (640, 455107), (646, 450880), (680, 428336), (760, 383248), (1088, 267710), (1216, 239530), (1292, 225440), (1360, 214168), (1409, 206720), (1520, 191624), (1615, 180352), (2176, 133855), (2432, 119765), (2584, 112720), (2720, 107084), (2818, 103360), (3040, 95812), (3230, 90176), (5168, 56360), (5440, 53542), (5636, 51680), (6080, 47906), (6460, 45088), (7045, 41344), (10336, 28180), (10880, 26771), (11272, 25840), (12160, 23953), (12920, 22544), (14090, 20672)]