42605220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 144402048

約数和(自身を除く): 101796828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 281, 285, 361, 380, 399, 420, 532, 562, 570, 665, 722, 798, 843, 1083, 1124, 1140, 1330, 1405, 1444, 1596, 1686, 1805, 1967, 1995, 2166, 2527, 2660, 2810, 3372, 3610, 3934, 3990, 4215, 4332, 5054, 5339, 5415, 5620, 5901, 7220, 7581, 7868, 7980, 8430, 9835, 10108, 10678, 10830, 11802, 12635, 15162, 16017, 16860, 19670, 21356, 21660, 23604, 25270, 26695, 29505, 30324, 32034, 37373, 37905, 39340, 50540, 53390, 59010, 64068, 74746, 75810, 80085, 101441, 106780, 112119, 118020, 149492, 151620, 160170, 186865, 202882, 224238, 304323, 320340, 373730, 405764, 448476, 507205, 560595, 608646, 710087, 747460, 1014410, 1121190, 1217292, 1420174, 1521615, 2028820, 2130261, 2242380, 2840348, 3043230, 3550435, 4260522, 6086460, 7100870, 8521044, 10651305, 14201740, 21302610, 42605220]

約数ペア:

[(1, 42605220), (2, 21302610), (3, 14201740), (4, 10651305), (5, 8521044), (6, 7100870), (7, 6086460), (10, 4260522), (12, 3550435), (14, 3043230), (15, 2840348), (19, 2242380), (20, 2130261), (21, 2028820), (28, 1521615), (30, 1420174), (35, 1217292), (38, 1121190), (42, 1014410), (57, 747460), (60, 710087), (70, 608646), (76, 560595), (84, 507205), (95, 448476), (105, 405764), (114, 373730), (133, 320340), (140, 304323), (190, 224238), (210, 202882), (228, 186865), (266, 160170), (281, 151620), (285, 149492), (361, 118020), (380, 112119), (399, 106780), (420, 101441), (532, 80085), (562, 75810), (570, 74746), (665, 64068), (722, 59010), (798, 53390), (843, 50540), (1083, 39340), (1124, 37905), (1140, 37373), (1330, 32034), (1405, 30324), (1444, 29505), (1596, 26695), (1686, 25270), (1805, 23604), (1967, 21660), (1995, 21356), (2166, 19670), (2527, 16860), (2660, 16017), (2810, 15162), (3372, 12635), (3610, 11802), (3934, 10830), (3990, 10678), (4215, 10108), (4332, 9835), (5054, 8430), (5339, 7980), (5415, 7868), (5620, 7581), (5901, 7220)]