2455320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 8755200

約数和(自身を除く): 6299880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 79, 84, 105, 111, 120, 140, 148, 158, 168, 185, 210, 222, 237, 259, 280, 296, 316, 370, 395, 420, 444, 474, 518, 553, 555, 632, 740, 777, 790, 840, 888, 948, 1036, 1106, 1110, 1185, 1295, 1480, 1554, 1580, 1659, 1896, 2072, 2212, 2220, 2370, 2590, 2765, 2923, 3108, 3160, 3318, 3885, 4424, 4440, 4740, 5180, 5530, 5846, 6216, 6636, 7770, 8295, 8769, 9480, 10360, 11060, 11692, 13272, 14615, 15540, 16590, 17538, 20461, 22120, 23384, 29230, 31080, 33180, 35076, 40922, 43845, 58460, 61383, 66360, 70152, 81844, 87690, 102305, 116920, 122766, 163688, 175380, 204610, 245532, 306915, 350760, 409220, 491064, 613830, 818440, 1227660, 2455320]

約数ペア:

[(1, 2455320), (2, 1227660), (3, 818440), (4, 613830), (5, 491064), (6, 409220), (7, 350760), (8, 306915), (10, 245532), (12, 204610), (14, 175380), (15, 163688), (20, 122766), (21, 116920), (24, 102305), (28, 87690), (30, 81844), (35, 70152), (37, 66360), (40, 61383), (42, 58460), (56, 43845), (60, 40922), (70, 35076), (74, 33180), (79, 31080), (84, 29230), (105, 23384), (111, 22120), (120, 20461), (140, 17538), (148, 16590), (158, 15540), (168, 14615), (185, 13272), (210, 11692), (222, 11060), (237, 10360), (259, 9480), (280, 8769), (296, 8295), (316, 7770), (370, 6636), (395, 6216), (420, 5846), (444, 5530), (474, 5180), (518, 4740), (553, 4440), (555, 4424), (632, 3885), (740, 3318), (777, 3160), (790, 3108), (840, 2923), (888, 2765), (948, 2590), (1036, 2370), (1106, 2220), (1110, 2212), (1185, 2072), (1295, 1896), (1480, 1659), (1554, 1580)]