128589720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1151}}^1$

素因数の和:1198

約数の個数: 192

約数和(自身を含む): 472780800

約数和(自身を除く): 344191080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 380, 392, 399, 420, 456, 490, 532, 570, 588, 665, 735, 760, 798, 840, 931, 980, 1064, 1140, 1151, 1176, 1330, 1470, 1596, 1862, 1960, 1995, 2280, 2302, 2660, 2793, 2940, 3192, 3453, 3724, 3990, 4604, 4655, 5320, 5586, 5755, 5880, 6906, 7448, 7980, 8057, 9208, 9310, 11172, 11510, 13812, 13965, 15960, 16114, 17265, 18620, 21869, 22344, 23020, 24171, 27624, 27930, 32228, 34530, 37240, 40285, 43738, 46040, 48342, 55860, 56399, 64456, 65607, 69060, 80570, 87476, 96684, 109345, 111720, 112798, 120855, 131214, 138120, 153083, 161140, 169197, 174952, 193368, 218690, 225596, 241710, 262428, 281995, 306166, 322280, 328035, 338394, 437380, 451192, 459249, 483420, 524856, 563990, 612332, 656070, 676788, 765415, 845985, 874760, 918498, 966840, 1071581, 1127980, 1224664, 1312140, 1353576, 1530830, 1691970, 1836996, 2143162, 2255960, 2296245, 2624280, 3061660, 3214743, 3383940, 3673992, 4286324, 4592490, 5357905, 6123320, 6429486, 6767880, 8572648, 9184980, 10715810, 12858972, 16073715, 18369960, 21431620, 25717944, 32147430, 42863240, 64294860, 128589720]

約数ペア:

[(1, 128589720), (2, 64294860), (3, 42863240), (4, 32147430), (5, 25717944), (6, 21431620), (7, 18369960), (8, 16073715), (10, 12858972), (12, 10715810), (14, 9184980), (15, 8572648), (19, 6767880), (20, 6429486), (21, 6123320), (24, 5357905), (28, 4592490), (30, 4286324), (35, 3673992), (38, 3383940), (40, 3214743), (42, 3061660), (49, 2624280), (56, 2296245), (57, 2255960), (60, 2143162), (70, 1836996), (76, 1691970), (84, 1530830), (95, 1353576), (98, 1312140), (105, 1224664), (114, 1127980), (120, 1071581), (133, 966840), (140, 918498), (147, 874760), (152, 845985), (168, 765415), (190, 676788), (196, 656070), (210, 612332), (228, 563990), (245, 524856), (266, 483420), (280, 459249), (285, 451192), (294, 437380), (380, 338394), (392, 328035), (399, 322280), (420, 306166), (456, 281995), (490, 262428), (532, 241710), (570, 225596), (588, 218690), (665, 193368), (735, 174952), (760, 169197), (798, 161140), (840, 153083), (931, 138120), (980, 131214), (1064, 120855), (1140, 112798), (1151, 111720), (1176, 109345), (1330, 96684), (1470, 87476), (1596, 80570), (1862, 69060), (1960, 65607), (1995, 64456), (2280, 56399), (2302, 55860), (2660, 48342), (2793, 46040), (2940, 43738), (3192, 40285), (3453, 37240), (3724, 34530), (3990, 32228), (4604, 27930), (4655, 27624), (5320, 24171), (5586, 23020), (5755, 22344), (5880, 21869), (6906, 18620), (7448, 17265), (7980, 16114), (8057, 15960), (9208, 13965), (9310, 13812), (11172, 11510)]