28344120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 99671040

約数和(自身を除く): 71326920

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, 823, 840, 861, 984, 1148, 1230, 1435, 1640, 1646, 1722, 2296, 2460, 2469, 2870, 3292, 3444, 4115, 4305, 4920, 4938, 5740, 5761, 6584, 6888, 8230, 8610, 9876, 11480, 11522, 12345, 16460, 17220, 17283, 19752, 23044, 24690, 28805, 32920, 33743, 34440, 34566, 46088, 49380, 57610, 67486, 69132, 86415, 98760, 101229, 115220, 134972, 138264, 168715, 172830, 202458, 230440, 236201, 269944, 337430, 345660, 404916, 472402, 506145, 674860, 691320, 708603, 809832, 944804, 1012290, 1181005, 1349720, 1417206, 1889608, 2024580, 2362010, 2834412, 3543015, 4049160, 4724020, 5668824, 7086030, 9448040, 14172060, 28344120]

約数ペア:

[(1, 28344120), (2, 14172060), (3, 9448040), (4, 7086030), (5, 5668824), (6, 4724020), (7, 4049160), (8, 3543015), (10, 2834412), (12, 2362010), (14, 2024580), (15, 1889608), (20, 1417206), (21, 1349720), (24, 1181005), (28, 1012290), (30, 944804), (35, 809832), (40, 708603), (41, 691320), (42, 674860), (56, 506145), (60, 472402), (70, 404916), (82, 345660), (84, 337430), (105, 269944), (120, 236201), (123, 230440), (140, 202458), (164, 172830), (168, 168715), (205, 138264), (210, 134972), (246, 115220), (280, 101229), (287, 98760), (328, 86415), (410, 69132), (420, 67486), (492, 57610), (574, 49380), (615, 46088), (820, 34566), (823, 34440), (840, 33743), (861, 32920), (984, 28805), (1148, 24690), (1230, 23044), (1435, 19752), (1640, 17283), (1646, 17220), (1722, 16460), (2296, 12345), (2460, 11522), (2469, 11480), (2870, 9876), (3292, 8610), (3444, 8230), (4115, 6888), (4305, 6584), (4920, 5761), (4938, 5740)]