1643880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 5990400

約数和(自身を除く): 4346520

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, 56, 57, 60, 70, 76, 84, 95, 103, 105, 114, 120, 133, 140, 152, 168, 190, 206, 210, 228, 266, 280, 285, 309, 380, 399, 412, 420, 456, 515, 532, 570, 618, 665, 721, 760, 798, 824, 840, 1030, 1064, 1140, 1236, 1330, 1442, 1545, 1596, 1957, 1995, 2060, 2163, 2280, 2472, 2660, 2884, 3090, 3192, 3605, 3914, 3990, 4120, 4326, 5320, 5768, 5871, 6180, 7210, 7828, 7980, 8652, 9785, 10815, 11742, 12360, 13699, 14420, 15656, 15960, 17304, 19570, 21630, 23484, 27398, 28840, 29355, 39140, 41097, 43260, 46968, 54796, 58710, 68495, 78280, 82194, 86520, 109592, 117420, 136990, 164388, 205485, 234840, 273980, 328776, 410970, 547960, 821940, 1643880]

約数ペア:

[(1, 1643880), (2, 821940), (3, 547960), (4, 410970), (5, 328776), (6, 273980), (7, 234840), (8, 205485), (10, 164388), (12, 136990), (14, 117420), (15, 109592), (19, 86520), (20, 82194), (21, 78280), (24, 68495), (28, 58710), (30, 54796), (35, 46968), (38, 43260), (40, 41097), (42, 39140), (56, 29355), (57, 28840), (60, 27398), (70, 23484), (76, 21630), (84, 19570), (95, 17304), (103, 15960), (105, 15656), (114, 14420), (120, 13699), (133, 12360), (140, 11742), (152, 10815), (168, 9785), (190, 8652), (206, 7980), (210, 7828), (228, 7210), (266, 6180), (280, 5871), (285, 5768), (309, 5320), (380, 4326), (399, 4120), (412, 3990), (420, 3914), (456, 3605), (515, 3192), (532, 3090), (570, 2884), (618, 2660), (665, 2472), (721, 2280), (760, 2163), (798, 2060), (824, 1995), (840, 1957), (1030, 1596), (1064, 1545), (1140, 1442), (1236, 1330)]