40645980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 134447040

約数和(自身を除く): 93801060

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, 359, 370, 444, 510, 555, 612, 629, 666, 718, 740, 765, 1020, 1077, 1110, 1258, 1332, 1436, 1530, 1665, 1795, 1887, 2154, 2220, 2516, 3060, 3145, 3231, 3330, 3590, 3774, 4308, 5385, 5661, 6103, 6290, 6462, 6660, 7180, 7548, 9435, 10770, 11322, 12206, 12580, 12924, 13283, 16155, 18309, 18870, 21540, 22644, 24412, 26566, 28305, 30515, 32310, 36618, 37740, 39849, 53132, 54927, 56610, 61030, 64620, 66415, 73236, 79698, 91545, 109854, 113220, 119547, 122060, 132830, 159396, 183090, 199245, 219708, 225811, 239094, 265660, 274635, 366180, 398490, 451622, 478188, 549270, 597735, 677433, 796980, 903244, 1098540, 1129055, 1195470, 1354866, 2032299, 2258110, 2390940, 2709732, 3387165, 4064598, 4516220, 6774330, 8129196, 10161495, 13548660, 20322990, 40645980]

約数ペア:

[(1, 40645980), (2, 20322990), (3, 13548660), (4, 10161495), (5, 8129196), (6, 6774330), (9, 4516220), (10, 4064598), (12, 3387165), (15, 2709732), (17, 2390940), (18, 2258110), (20, 2032299), (30, 1354866), (34, 1195470), (36, 1129055), (37, 1098540), (45, 903244), (51, 796980), (60, 677433), (68, 597735), (74, 549270), (85, 478188), (90, 451622), (102, 398490), (111, 366180), (148, 274635), (153, 265660), (170, 239094), (180, 225811), (185, 219708), (204, 199245), (222, 183090), (255, 159396), (306, 132830), (333, 122060), (340, 119547), (359, 113220), (370, 109854), (444, 91545), (510, 79698), (555, 73236), (612, 66415), (629, 64620), (666, 61030), (718, 56610), (740, 54927), (765, 53132), (1020, 39849), (1077, 37740), (1110, 36618), (1258, 32310), (1332, 30515), (1436, 28305), (1530, 26566), (1665, 24412), (1795, 22644), (1887, 21540), (2154, 18870), (2220, 18309), (2516, 16155), (3060, 13283), (3145, 12924), (3231, 12580), (3330, 12206), (3590, 11322), (3774, 10770), (4308, 9435), (5385, 7548), (5661, 7180), (6103, 6660), (6290, 6462)]