81390540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:332

約数の個数: 192

約数和(自身を含む): 289013760

約数和(自身を除く): 207623220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 79, 84, 105, 110, 132, 140, 154, 158, 165, 210, 220, 223, 231, 237, 308, 316, 330, 385, 395, 420, 446, 462, 474, 553, 660, 669, 770, 790, 869, 892, 924, 948, 1106, 1115, 1155, 1185, 1338, 1540, 1561, 1580, 1659, 1738, 2212, 2230, 2310, 2370, 2453, 2607, 2676, 2765, 3122, 3318, 3345, 3476, 4345, 4460, 4620, 4683, 4740, 4906, 5214, 5530, 6083, 6244, 6636, 6690, 7359, 7805, 8295, 8690, 9366, 9812, 10428, 11060, 12166, 12265, 13035, 13380, 14718, 15610, 16590, 17171, 17380, 17617, 18249, 18732, 23415, 24332, 24530, 26070, 29436, 30415, 31220, 33180, 34342, 35234, 36498, 36795, 46830, 49060, 51513, 52140, 52851, 60830, 68684, 70468, 72996, 73590, 85855, 88085, 91245, 93660, 103026, 105702, 121660, 123319, 147180, 171710, 176170, 182490, 193787, 206052, 211404, 246638, 257565, 264255, 343420, 352340, 364980, 369957, 387574, 493276, 515130, 528510, 581361, 616595, 739914, 775148, 968935, 1030260, 1057020, 1162722, 1233190, 1356509, 1479828, 1849785, 1937870, 2325444, 2466380, 2713018, 2906805, 3699570, 3875740, 4069527, 5426036, 5813610, 6782545, 7399140, 8139054, 11627220, 13565090, 16278108, 20347635, 27130180, 40695270, 81390540]

約数ペア:

[(1, 81390540), (2, 40695270), (3, 27130180), (4, 20347635), (5, 16278108), (6, 13565090), (7, 11627220), (10, 8139054), (11, 7399140), (12, 6782545), (14, 5813610), (15, 5426036), (20, 4069527), (21, 3875740), (22, 3699570), (28, 2906805), (30, 2713018), (33, 2466380), (35, 2325444), (42, 1937870), (44, 1849785), (55, 1479828), (60, 1356509), (66, 1233190), (70, 1162722), (77, 1057020), (79, 1030260), (84, 968935), (105, 775148), (110, 739914), (132, 616595), (140, 581361), (154, 528510), (158, 515130), (165, 493276), (210, 387574), (220, 369957), (223, 364980), (231, 352340), (237, 343420), (308, 264255), (316, 257565), (330, 246638), (385, 211404), (395, 206052), (420, 193787), (446, 182490), (462, 176170), (474, 171710), (553, 147180), (660, 123319), (669, 121660), (770, 105702), (790, 103026), (869, 93660), (892, 91245), (924, 88085), (948, 85855), (1106, 73590), (1115, 72996), (1155, 70468), (1185, 68684), (1338, 60830), (1540, 52851), (1561, 52140), (1580, 51513), (1659, 49060), (1738, 46830), (2212, 36795), (2230, 36498), (2310, 35234), (2370, 34342), (2453, 33180), (2607, 31220), (2676, 30415), (2765, 29436), (3122, 26070), (3318, 24530), (3345, 24332), (3476, 23415), (4345, 18732), (4460, 18249), (4620, 17617), (4683, 17380), (4740, 17171), (4906, 16590), (5214, 15610), (5530, 14718), (6083, 13380), (6244, 13035), (6636, 12265), (6690, 12166), (7359, 11060), (7805, 10428), (8295, 9812), (8690, 9366)]