1811804960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{20477}}^1$

素因数の和:20578

約数の個数: 96

約数和(自身を含む): 4954037760

約数和(自身を除く): 3142232800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 395, 553, 560, 632, 790, 1106, 1120, 1264, 1580, 2212, 2528, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 12640, 17696, 20477, 22120, 40954, 44240, 81908, 88480, 102385, 143339, 163816, 204770, 286678, 327632, 409540, 573356, 655264, 716695, 819080, 1146712, 1433390, 1617683, 1638160, 2293424, 2866780, 3235366, 3276320, 4586848, 5733560, 6470732, 8088415, 11323781, 11467120, 12941464, 16176830, 22647562, 22934240, 25882928, 32353660, 45295124, 51765856, 56618905, 64707320, 90590248, 113237810, 129414640, 181180496, 226475620, 258829280, 362360992, 452951240, 905902480, 1811804960]

約数ペア:

[(1, 1811804960), (2, 905902480), (4, 452951240), (5, 362360992), (7, 258829280), (8, 226475620), (10, 181180496), (14, 129414640), (16, 113237810), (20, 90590248), (28, 64707320), (32, 56618905), (35, 51765856), (40, 45295124), (56, 32353660), (70, 25882928), (79, 22934240), (80, 22647562), (112, 16176830), (140, 12941464), (158, 11467120), (160, 11323781), (224, 8088415), (280, 6470732), (316, 5733560), (395, 4586848), (553, 3276320), (560, 3235366), (632, 2866780), (790, 2293424), (1106, 1638160), (1120, 1617683), (1264, 1433390), (1580, 1146712), (2212, 819080), (2528, 716695), (2765, 655264), (3160, 573356), (4424, 409540), (5530, 327632), (6320, 286678), (8848, 204770), (11060, 163816), (12640, 143339), (17696, 102385), (20477, 88480), (22120, 81908), (40954, 44240)]