81902340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3889}}^1$

素因数の和:3923

約数の個数: 120

約数和(自身を含む): 276765720

約数和(自身を除く): 194863380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 3889, 4212, 5265, 7020, 7778, 10530, 11667, 15556, 19445, 21060, 23334, 35001, 38890, 46668, 50557, 58335, 70002, 77780, 101114, 105003, 116670, 140004, 151671, 175005, 202228, 210006, 233340, 252785, 303342, 315009, 350010, 420012, 455013, 505570, 525015, 606684, 630018, 700020, 758355, 910026, 1011140, 1050030, 1260036, 1365039, 1516710, 1575045, 1820052, 2100060, 2275065, 2730078, 3033420, 3150090, 4095117, 4550130, 5460156, 6300180, 6825195, 8190234, 9100260, 13650390, 16380468, 20475585, 27300780, 40951170, 81902340]

約数ペア:

[(1, 81902340), (2, 40951170), (3, 27300780), (4, 20475585), (5, 16380468), (6, 13650390), (9, 9100260), (10, 8190234), (12, 6825195), (13, 6300180), (15, 5460156), (18, 4550130), (20, 4095117), (26, 3150090), (27, 3033420), (30, 2730078), (36, 2275065), (39, 2100060), (45, 1820052), (52, 1575045), (54, 1516710), (60, 1365039), (65, 1260036), (78, 1050030), (81, 1011140), (90, 910026), (108, 758355), (117, 700020), (130, 630018), (135, 606684), (156, 525015), (162, 505570), (180, 455013), (195, 420012), (234, 350010), (260, 315009), (270, 303342), (324, 252785), (351, 233340), (390, 210006), (405, 202228), (468, 175005), (540, 151671), (585, 140004), (702, 116670), (780, 105003), (810, 101114), (1053, 77780), (1170, 70002), (1404, 58335), (1620, 50557), (1755, 46668), (2106, 38890), (2340, 35001), (3510, 23334), (3889, 21060), (4212, 19445), (5265, 15556), (7020, 11667), (7778, 10530)]