28860720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:483

約数の個数: 160

約数和(自身を含む): 104993280

約数和(自身を除く): 76132560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 328, 336, 410, 419, 420, 492, 560, 574, 615, 656, 820, 838, 840, 861, 984, 1148, 1230, 1257, 1435, 1640, 1676, 1680, 1722, 1968, 2095, 2296, 2460, 2514, 2870, 2933, 3280, 3352, 3444, 4190, 4305, 4592, 4920, 5028, 5740, 5866, 6285, 6704, 6888, 8380, 8610, 8799, 9840, 10056, 11480, 11732, 12570, 13776, 14665, 16760, 17179, 17220, 17598, 20112, 22960, 23464, 25140, 29330, 33520, 34358, 34440, 35196, 43995, 46928, 50280, 51537, 58660, 68716, 68880, 70392, 85895, 87990, 100560, 103074, 117320, 120253, 137432, 140784, 171790, 175980, 206148, 234640, 240506, 257685, 274864, 343580, 351960, 360759, 412296, 481012, 515370, 601265, 687160, 703920, 721518, 824592, 962024, 1030740, 1202530, 1374320, 1443036, 1803795, 1924048, 2061480, 2405060, 2886072, 3607590, 4122960, 4810120, 5772144, 7215180, 9620240, 14430360, 28860720]

約数ペア:

[(1, 28860720), (2, 14430360), (3, 9620240), (4, 7215180), (5, 5772144), (6, 4810120), (7, 4122960), (8, 3607590), (10, 2886072), (12, 2405060), (14, 2061480), (15, 1924048), (16, 1803795), (20, 1443036), (21, 1374320), (24, 1202530), (28, 1030740), (30, 962024), (35, 824592), (40, 721518), (41, 703920), (42, 687160), (48, 601265), (56, 515370), (60, 481012), (70, 412296), (80, 360759), (82, 351960), (84, 343580), (105, 274864), (112, 257685), (120, 240506), (123, 234640), (140, 206148), (164, 175980), (168, 171790), (205, 140784), (210, 137432), (240, 120253), (246, 117320), (280, 103074), (287, 100560), (328, 87990), (336, 85895), (410, 70392), (419, 68880), (420, 68716), (492, 58660), (560, 51537), (574, 50280), (615, 46928), (656, 43995), (820, 35196), (838, 34440), (840, 34358), (861, 33520), (984, 29330), (1148, 25140), (1230, 23464), (1257, 22960), (1435, 20112), (1640, 17598), (1676, 17220), (1680, 17179), (1722, 16760), (1968, 14665), (2095, 13776), (2296, 12570), (2460, 11732), (2514, 11480), (2870, 10056), (2933, 9840), (3280, 8799), (3352, 8610), (3444, 8380), (4190, 6888), (4305, 6704), (4592, 6285), (4920, 5866), (5028, 5740)]