72574020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 239763888

約数和(自身を除く): 167189868

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, 555, 612, 629, 641, 666, 740, 765, 1020, 1110, 1258, 1282, 1332, 1530, 1665, 1887, 1923, 2220, 2516, 2564, 3060, 3145, 3205, 3330, 3774, 3846, 5661, 5769, 6290, 6410, 6660, 7548, 7692, 9435, 9615, 10897, 11322, 11538, 12580, 12820, 18870, 19230, 21794, 22644, 23076, 23717, 28305, 28845, 32691, 37740, 38460, 43588, 47434, 54485, 56610, 57690, 65382, 71151, 94868, 98073, 108970, 113220, 115380, 118585, 130764, 142302, 163455, 196146, 213453, 217940, 237170, 284604, 326910, 355755, 392292, 403189, 426906, 474340, 490365, 653820, 711510, 806378, 853812, 980730, 1067265, 1209567, 1423020, 1612756, 1961460, 2015945, 2134530, 2419134, 3628701, 4031890, 4269060, 4838268, 6047835, 7257402, 8063780, 12095670, 14514804, 18143505, 24191340, 36287010, 72574020]

約数ペア:

[(1, 72574020), (2, 36287010), (3, 24191340), (4, 18143505), (5, 14514804), (6, 12095670), (9, 8063780), (10, 7257402), (12, 6047835), (15, 4838268), (17, 4269060), (18, 4031890), (20, 3628701), (30, 2419134), (34, 2134530), (36, 2015945), (37, 1961460), (45, 1612756), (51, 1423020), (60, 1209567), (68, 1067265), (74, 980730), (85, 853812), (90, 806378), (102, 711510), (111, 653820), (148, 490365), (153, 474340), (170, 426906), (180, 403189), (185, 392292), (204, 355755), (222, 326910), (255, 284604), (306, 237170), (333, 217940), (340, 213453), (370, 196146), (444, 163455), (510, 142302), (555, 130764), (612, 118585), (629, 115380), (641, 113220), (666, 108970), (740, 98073), (765, 94868), (1020, 71151), (1110, 65382), (1258, 57690), (1282, 56610), (1332, 54485), (1530, 47434), (1665, 43588), (1887, 38460), (1923, 37740), (2220, 32691), (2516, 28845), (2564, 28305), (3060, 23717), (3145, 23076), (3205, 22644), (3330, 21794), (3774, 19230), (3846, 18870), (5661, 12820), (5769, 12580), (6290, 11538), (6410, 11322), (6660, 10897), (7548, 9615), (7692, 9435)]