30721248

素因数分解:

$2^5\times 3^3\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 95089680

約数和(自身を除く): 64368432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 37, 48, 54, 62, 72, 74, 93, 96, 108, 111, 124, 144, 148, 186, 216, 222, 248, 279, 288, 296, 333, 372, 432, 444, 496, 558, 592, 666, 744, 837, 864, 888, 961, 992, 999, 1116, 1147, 1184, 1332, 1488, 1674, 1776, 1922, 1998, 2232, 2294, 2664, 2883, 2976, 3348, 3441, 3552, 3844, 3996, 4464, 4588, 5328, 5766, 6696, 6882, 7688, 7992, 8649, 8928, 9176, 10323, 10656, 11532, 13392, 13764, 15376, 15984, 17298, 18352, 20646, 23064, 25947, 26784, 27528, 30752, 30969, 31968, 34596, 35557, 36704, 41292, 46128, 51894, 55056, 61938, 69192, 71114, 82584, 92256, 103788, 106671, 110112, 123876, 138384, 142228, 165168, 207576, 213342, 247752, 276768, 284456, 320013, 330336, 415152, 426684, 495504, 568912, 640026, 830304, 853368, 960039, 991008, 1137824, 1280052, 1706736, 1920078, 2560104, 3413472, 3840156, 5120208, 7680312, 10240416, 15360624, 30721248]

約数ペア:

[(1, 30721248), (2, 15360624), (3, 10240416), (4, 7680312), (6, 5120208), (8, 3840156), (9, 3413472), (12, 2560104), (16, 1920078), (18, 1706736), (24, 1280052), (27, 1137824), (31, 991008), (32, 960039), (36, 853368), (37, 830304), (48, 640026), (54, 568912), (62, 495504), (72, 426684), (74, 415152), (93, 330336), (96, 320013), (108, 284456), (111, 276768), (124, 247752), (144, 213342), (148, 207576), (186, 165168), (216, 142228), (222, 138384), (248, 123876), (279, 110112), (288, 106671), (296, 103788), (333, 92256), (372, 82584), (432, 71114), (444, 69192), (496, 61938), (558, 55056), (592, 51894), (666, 46128), (744, 41292), (837, 36704), (864, 35557), (888, 34596), (961, 31968), (992, 30969), (999, 30752), (1116, 27528), (1147, 26784), (1184, 25947), (1332, 23064), (1488, 20646), (1674, 18352), (1776, 17298), (1922, 15984), (1998, 15376), (2232, 13764), (2294, 13392), (2664, 11532), (2883, 10656), (2976, 10323), (3348, 9176), (3441, 8928), (3552, 8649), (3844, 7992), (3996, 7688), (4464, 6882), (4588, 6696), (5328, 5766)]