15696660

素因数分解:

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

素因数の和:326

約数の個数: 144

約数和(自身を含む): 54008640

約数和(自身を除く): 38311980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 281, 285, 294, 380, 399, 420, 490, 532, 562, 570, 588, 665, 735, 798, 843, 931, 980, 1124, 1140, 1330, 1405, 1470, 1596, 1686, 1862, 1967, 1995, 2660, 2793, 2810, 2940, 3372, 3724, 3934, 3990, 4215, 4655, 5339, 5586, 5620, 5901, 7868, 7980, 8430, 9310, 9835, 10678, 11172, 11802, 13769, 13965, 16017, 16860, 18620, 19670, 21356, 23604, 26695, 27538, 27930, 29505, 32034, 37373, 39340, 41307, 53390, 55076, 55860, 59010, 64068, 68845, 74746, 80085, 82614, 106780, 112119, 118020, 137690, 149492, 160170, 165228, 186865, 206535, 224238, 261611, 275380, 320340, 373730, 413070, 448476, 523222, 560595, 747460, 784833, 826140, 1046444, 1121190, 1308055, 1569666, 2242380, 2616110, 3139332, 3924165, 5232220, 7848330, 15696660]

約数ペア:

[(1, 15696660), (2, 7848330), (3, 5232220), (4, 3924165), (5, 3139332), (6, 2616110), (7, 2242380), (10, 1569666), (12, 1308055), (14, 1121190), (15, 1046444), (19, 826140), (20, 784833), (21, 747460), (28, 560595), (30, 523222), (35, 448476), (38, 413070), (42, 373730), (49, 320340), (57, 275380), (60, 261611), (70, 224238), (76, 206535), (84, 186865), (95, 165228), (98, 160170), (105, 149492), (114, 137690), (133, 118020), (140, 112119), (147, 106780), (190, 82614), (196, 80085), (210, 74746), (228, 68845), (245, 64068), (266, 59010), (281, 55860), (285, 55076), (294, 53390), (380, 41307), (399, 39340), (420, 37373), (490, 32034), (532, 29505), (562, 27930), (570, 27538), (588, 26695), (665, 23604), (735, 21356), (798, 19670), (843, 18620), (931, 16860), (980, 16017), (1124, 13965), (1140, 13769), (1330, 11802), (1405, 11172), (1470, 10678), (1596, 9835), (1686, 9310), (1862, 8430), (1967, 7980), (1995, 7868), (2660, 5901), (2793, 5620), (2810, 5586), (2940, 5339), (3372, 4655), (3724, 4215), (3934, 3990)]