138689880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4027}}^1$

素因数の和:4089

約数の個数: 128

約数和(自身を含む): 487226880

約数和(自身を除く): 348537000

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, 4027, 4305, 4920, 5740, 6888, 8054, 8610, 11480, 12081, 16108, 17220, 20135, 24162, 28189, 32216, 34440, 40270, 48324, 56378, 60405, 80540, 84567, 96648, 112756, 120810, 140945, 161080, 165107, 169134, 225512, 241620, 281890, 330214, 338268, 422835, 483240, 495321, 563780, 660428, 676536, 825535, 845670, 990642, 1127560, 1155749, 1320856, 1651070, 1691340, 1981284, 2311498, 2476605, 3302140, 3382680, 3467247, 3962568, 4622996, 4953210, 5778745, 6604280, 6934494, 9245992, 9906420, 11557490, 13868988, 17336235, 19812840, 23114980, 27737976, 34672470, 46229960, 69344940, 138689880]

約数ペア:

[(1, 138689880), (2, 69344940), (3, 46229960), (4, 34672470), (5, 27737976), (6, 23114980), (7, 19812840), (8, 17336235), (10, 13868988), (12, 11557490), (14, 9906420), (15, 9245992), (20, 6934494), (21, 6604280), (24, 5778745), (28, 4953210), (30, 4622996), (35, 3962568), (40, 3467247), (41, 3382680), (42, 3302140), (56, 2476605), (60, 2311498), (70, 1981284), (82, 1691340), (84, 1651070), (105, 1320856), (120, 1155749), (123, 1127560), (140, 990642), (164, 845670), (168, 825535), (205, 676536), (210, 660428), (246, 563780), (280, 495321), (287, 483240), (328, 422835), (410, 338268), (420, 330214), (492, 281890), (574, 241620), (615, 225512), (820, 169134), (840, 165107), (861, 161080), (984, 140945), (1148, 120810), (1230, 112756), (1435, 96648), (1640, 84567), (1722, 80540), (2296, 60405), (2460, 56378), (2870, 48324), (3444, 40270), (4027, 34440), (4305, 32216), (4920, 28189), (5740, 24162), (6888, 20135), (8054, 17220), (8610, 16108), (11480, 12081)]