79640820

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{2341}}^1$

素因数の和:2372

約数の個数: 144

約数和(自身を含む): 286435968

約数和(自身を除く): 206795148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2341, 2430, 2835, 3402, 3780, 4682, 4860, 5670, 6804, 7023, 8505, 9364, 11340, 11705, 14046, 16387, 17010, 21069, 23410, 28092, 32774, 34020, 35115, 42138, 46820, 49161, 63207, 65548, 70230, 81935, 84276, 98322, 105345, 126414, 140460, 147483, 163870, 189621, 196644, 210690, 245805, 252828, 294966, 316035, 327740, 379242, 421380, 442449, 491610, 568863, 589932, 632070, 737415, 758484, 884898, 948105, 983220, 1137726, 1264140, 1327347, 1474830, 1769796, 1896210, 2212245, 2275452, 2654694, 2844315, 2949660, 3792420, 3982041, 4424490, 5309388, 5688630, 6636735, 7964082, 8848980, 11377260, 13273470, 15928164, 19910205, 26546940, 39820410, 79640820]

約数ペア:

[(1, 79640820), (2, 39820410), (3, 26546940), (4, 19910205), (5, 15928164), (6, 13273470), (7, 11377260), (9, 8848980), (10, 7964082), (12, 6636735), (14, 5688630), (15, 5309388), (18, 4424490), (20, 3982041), (21, 3792420), (27, 2949660), (28, 2844315), (30, 2654694), (35, 2275452), (36, 2212245), (42, 1896210), (45, 1769796), (54, 1474830), (60, 1327347), (63, 1264140), (70, 1137726), (81, 983220), (84, 948105), (90, 884898), (105, 758484), (108, 737415), (126, 632070), (135, 589932), (140, 568863), (162, 491610), (180, 442449), (189, 421380), (210, 379242), (243, 327740), (252, 316035), (270, 294966), (315, 252828), (324, 245805), (378, 210690), (405, 196644), (420, 189621), (486, 163870), (540, 147483), (567, 140460), (630, 126414), (756, 105345), (810, 98322), (945, 84276), (972, 81935), (1134, 70230), (1215, 65548), (1260, 63207), (1620, 49161), (1701, 46820), (1890, 42138), (2268, 35115), (2341, 34020), (2430, 32774), (2835, 28092), (3402, 23410), (3780, 21069), (4682, 17010), (4860, 16387), (5670, 14046), (6804, 11705), (7023, 11340), (8505, 9364)]