61931340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 204658272

約数和(自身を除く): 142726932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 170, 180, 185, 204, 222, 255, 306, 333, 340, 370, 444, 510, 547, 555, 612, 629, 666, 740, 765, 1020, 1094, 1110, 1258, 1332, 1530, 1641, 1665, 1887, 2188, 2220, 2516, 2735, 3060, 3145, 3282, 3330, 3774, 4923, 5470, 5661, 6290, 6564, 6660, 7548, 8205, 9299, 9435, 9846, 10940, 11322, 12580, 16410, 18598, 18870, 19692, 20239, 22644, 24615, 27897, 28305, 32820, 37196, 37740, 40478, 46495, 49230, 55794, 56610, 60717, 80956, 83691, 92990, 98460, 101195, 111588, 113220, 121434, 139485, 167382, 182151, 185980, 202390, 242868, 278970, 303585, 334764, 344063, 364302, 404780, 418455, 557940, 607170, 688126, 728604, 836910, 910755, 1032189, 1214340, 1376252, 1673820, 1720315, 1821510, 2064378, 3096567, 3440630, 3643020, 4128756, 5160945, 6193134, 6881260, 10321890, 12386268, 15482835, 20643780, 30965670, 61931340]

約数ペア:

[(1, 61931340), (2, 30965670), (3, 20643780), (4, 15482835), (5, 12386268), (6, 10321890), (9, 6881260), (10, 6193134), (12, 5160945), (15, 4128756), (17, 3643020), (18, 3440630), (20, 3096567), (30, 2064378), (34, 1821510), (36, 1720315), (37, 1673820), (45, 1376252), (51, 1214340), (60, 1032189), (68, 910755), (74, 836910), (85, 728604), (90, 688126), (102, 607170), (111, 557940), (148, 418455), (153, 404780), (170, 364302), (180, 344063), (185, 334764), (204, 303585), (222, 278970), (255, 242868), (306, 202390), (333, 185980), (340, 182151), (370, 167382), (444, 139485), (510, 121434), (547, 113220), (555, 111588), (612, 101195), (629, 98460), (666, 92990), (740, 83691), (765, 80956), (1020, 60717), (1094, 56610), (1110, 55794), (1258, 49230), (1332, 46495), (1530, 40478), (1641, 37740), (1665, 37196), (1887, 32820), (2188, 28305), (2220, 27897), (2516, 24615), (2735, 22644), (3060, 20239), (3145, 19692), (3282, 18870), (3330, 18598), (3774, 16410), (4923, 12580), (5470, 11322), (5661, 10940), (6290, 9846), (6564, 9435), (6660, 9299), (7548, 8205)]