1649520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 5803200

約数和(自身を除く): 4153680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 79, 80, 87, 90, 116, 120, 144, 145, 158, 174, 180, 232, 237, 240, 261, 290, 316, 348, 360, 395, 435, 464, 474, 522, 580, 632, 696, 711, 720, 790, 870, 948, 1044, 1160, 1185, 1264, 1305, 1392, 1422, 1580, 1740, 1896, 2088, 2291, 2320, 2370, 2610, 2844, 3160, 3480, 3555, 3792, 4176, 4582, 4740, 5220, 5688, 6320, 6873, 6960, 7110, 9164, 9480, 10440, 11376, 11455, 13746, 14220, 18328, 18960, 20619, 20880, 22910, 27492, 28440, 34365, 36656, 41238, 45820, 54984, 56880, 68730, 82476, 91640, 103095, 109968, 137460, 164952, 183280, 206190, 274920, 329904, 412380, 549840, 824760, 1649520]

約数ペア:

[(1, 1649520), (2, 824760), (3, 549840), (4, 412380), (5, 329904), (6, 274920), (8, 206190), (9, 183280), (10, 164952), (12, 137460), (15, 109968), (16, 103095), (18, 91640), (20, 82476), (24, 68730), (29, 56880), (30, 54984), (36, 45820), (40, 41238), (45, 36656), (48, 34365), (58, 28440), (60, 27492), (72, 22910), (79, 20880), (80, 20619), (87, 18960), (90, 18328), (116, 14220), (120, 13746), (144, 11455), (145, 11376), (158, 10440), (174, 9480), (180, 9164), (232, 7110), (237, 6960), (240, 6873), (261, 6320), (290, 5688), (316, 5220), (348, 4740), (360, 4582), (395, 4176), (435, 3792), (464, 3555), (474, 3480), (522, 3160), (580, 2844), (632, 2610), (696, 2370), (711, 2320), (720, 2291), (790, 2088), (870, 1896), (948, 1740), (1044, 1580), (1160, 1422), (1185, 1392), (1264, 1305)]