82018980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:475

約数の個数: 120

約数和(自身を含む): 259608888

約数和(自身を除く): 177589908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 197, 257, 270, 324, 394, 405, 514, 540, 591, 771, 788, 810, 985, 1028, 1182, 1285, 1542, 1620, 1773, 1970, 2313, 2364, 2570, 2955, 3084, 3546, 3855, 3940, 4626, 5140, 5319, 5910, 6939, 7092, 7710, 8865, 9252, 10638, 11565, 11820, 13878, 15420, 15957, 17730, 20817, 21276, 23130, 26595, 27756, 31914, 34695, 35460, 41634, 46260, 50629, 53190, 63828, 69390, 79785, 83268, 101258, 104085, 106380, 138780, 151887, 159570, 202516, 208170, 253145, 303774, 319140, 416340, 455661, 506290, 607548, 759435, 911322, 1012580, 1366983, 1518870, 1822644, 2278305, 2733966, 3037740, 4100949, 4556610, 5467932, 6834915, 8201898, 9113220, 13669830, 16403796, 20504745, 27339660, 41009490, 82018980]

約数ペア:

[(1, 82018980), (2, 41009490), (3, 27339660), (4, 20504745), (5, 16403796), (6, 13669830), (9, 9113220), (10, 8201898), (12, 6834915), (15, 5467932), (18, 4556610), (20, 4100949), (27, 3037740), (30, 2733966), (36, 2278305), (45, 1822644), (54, 1518870), (60, 1366983), (81, 1012580), (90, 911322), (108, 759435), (135, 607548), (162, 506290), (180, 455661), (197, 416340), (257, 319140), (270, 303774), (324, 253145), (394, 208170), (405, 202516), (514, 159570), (540, 151887), (591, 138780), (771, 106380), (788, 104085), (810, 101258), (985, 83268), (1028, 79785), (1182, 69390), (1285, 63828), (1542, 53190), (1620, 50629), (1773, 46260), (1970, 41634), (2313, 35460), (2364, 34695), (2570, 31914), (2955, 27756), (3084, 26595), (3546, 23130), (3855, 21276), (3940, 20817), (4626, 17730), (5140, 15957), (5319, 15420), (5910, 13878), (6939, 11820), (7092, 11565), (7710, 10638), (8865, 9252)]