128357880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3727}}^1$

素因数の和:3789

約数の個数: 128

約数和(自身を含む): 450938880

約数和(自身を除く): 322581000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2296, 2460, 2870, 3444, 3727, 4305, 4920, 5740, 6888, 7454, 8610, 11181, 11480, 14908, 17220, 18635, 22362, 26089, 29816, 34440, 37270, 44724, 52178, 55905, 74540, 78267, 89448, 104356, 111810, 130445, 149080, 152807, 156534, 208712, 223620, 260890, 305614, 313068, 391335, 447240, 458421, 521780, 611228, 626136, 764035, 782670, 916842, 1043560, 1069649, 1222456, 1528070, 1565340, 1833684, 2139298, 2292105, 3056140, 3130680, 3208947, 3667368, 4278596, 4584210, 5348245, 6112280, 6417894, 8557192, 9168420, 10696490, 12835788, 16044735, 18336840, 21392980, 25671576, 32089470, 42785960, 64178940, 128357880]

約数ペア:

[(1, 128357880), (2, 64178940), (3, 42785960), (4, 32089470), (5, 25671576), (6, 21392980), (7, 18336840), (8, 16044735), (10, 12835788), (12, 10696490), (14, 9168420), (15, 8557192), (20, 6417894), (21, 6112280), (24, 5348245), (28, 4584210), (30, 4278596), (35, 3667368), (40, 3208947), (41, 3130680), (42, 3056140), (56, 2292105), (60, 2139298), (70, 1833684), (82, 1565340), (84, 1528070), (105, 1222456), (120, 1069649), (123, 1043560), (140, 916842), (164, 782670), (168, 764035), (205, 626136), (210, 611228), (246, 521780), (280, 458421), (287, 447240), (328, 391335), (410, 313068), (420, 305614), (492, 260890), (574, 223620), (615, 208712), (820, 156534), (840, 152807), (861, 149080), (984, 130445), (1148, 111810), (1230, 104356), (1435, 89448), (1640, 78267), (1722, 74540), (2296, 55905), (2460, 52178), (2870, 44724), (3444, 37270), (3727, 34440), (4305, 29816), (4920, 26089), (5740, 22362), (6888, 18635), (7454, 17220), (8610, 14908), (11181, 11480)]