55510140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 183859200

約数和(自身を除く): 128349060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 196, 210, 237, 239, 245, 294, 316, 395, 420, 474, 478, 490, 553, 588, 717, 735, 790, 948, 956, 980, 1106, 1185, 1195, 1434, 1470, 1580, 1659, 1673, 2212, 2370, 2390, 2765, 2868, 2940, 3318, 3346, 3585, 3871, 4740, 4780, 5019, 5530, 6636, 6692, 7170, 7742, 8295, 8365, 10038, 11060, 11613, 11711, 14340, 15484, 16590, 16730, 18881, 19355, 20076, 23226, 23422, 25095, 33180, 33460, 35133, 37762, 38710, 46452, 46844, 50190, 56643, 58065, 58555, 70266, 75524, 77420, 94405, 100380, 113286, 116130, 117110, 132167, 140532, 175665, 188810, 226572, 232260, 234220, 264334, 283215, 351330, 377620, 396501, 528668, 566430, 660835, 702660, 793002, 925169, 1132860, 1321670, 1586004, 1850338, 1982505, 2643340, 2775507, 3700676, 3965010, 4625845, 5551014, 7930020, 9251690, 11102028, 13877535, 18503380, 27755070, 55510140]

約数ペア:

[(1, 55510140), (2, 27755070), (3, 18503380), (4, 13877535), (5, 11102028), (6, 9251690), (7, 7930020), (10, 5551014), (12, 4625845), (14, 3965010), (15, 3700676), (20, 2775507), (21, 2643340), (28, 1982505), (30, 1850338), (35, 1586004), (42, 1321670), (49, 1132860), (60, 925169), (70, 793002), (79, 702660), (84, 660835), (98, 566430), (105, 528668), (140, 396501), (147, 377620), (158, 351330), (196, 283215), (210, 264334), (237, 234220), (239, 232260), (245, 226572), (294, 188810), (316, 175665), (395, 140532), (420, 132167), (474, 117110), (478, 116130), (490, 113286), (553, 100380), (588, 94405), (717, 77420), (735, 75524), (790, 70266), (948, 58555), (956, 58065), (980, 56643), (1106, 50190), (1185, 46844), (1195, 46452), (1434, 38710), (1470, 37762), (1580, 35133), (1659, 33460), (1673, 33180), (2212, 25095), (2370, 23422), (2390, 23226), (2765, 20076), (2868, 19355), (2940, 18881), (3318, 16730), (3346, 16590), (3585, 15484), (3871, 14340), (4740, 11711), (4780, 11613), (5019, 11060), (5530, 10038), (6636, 8365), (6692, 8295), (7170, 7742)]