40438920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 131725440

約数和(自身を除く): 91286520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 461, 510, 516, 645, 680, 731, 860, 922, 1020, 1032, 1290, 1383, 1462, 1720, 1844, 2040, 2193, 2305, 2580, 2766, 2924, 3655, 3688, 4386, 4610, 5160, 5532, 5848, 6915, 7310, 7837, 8772, 9220, 10965, 11064, 13830, 14620, 15674, 17544, 18440, 19823, 21930, 23511, 27660, 29240, 31348, 39185, 39646, 43860, 47022, 55320, 59469, 62696, 78370, 79292, 87720, 94044, 99115, 117555, 118938, 156740, 158584, 188088, 198230, 235110, 237876, 297345, 313480, 336991, 396460, 470220, 475752, 594690, 673982, 792920, 940440, 1010973, 1189380, 1347964, 1684955, 2021946, 2378760, 2695928, 3369910, 4043892, 5054865, 6739820, 8087784, 10109730, 13479640, 20219460, 40438920]

約数ペア:

[(1, 40438920), (2, 20219460), (3, 13479640), (4, 10109730), (5, 8087784), (6, 6739820), (8, 5054865), (10, 4043892), (12, 3369910), (15, 2695928), (17, 2378760), (20, 2021946), (24, 1684955), (30, 1347964), (34, 1189380), (40, 1010973), (43, 940440), (51, 792920), (60, 673982), (68, 594690), (85, 475752), (86, 470220), (102, 396460), (120, 336991), (129, 313480), (136, 297345), (170, 237876), (172, 235110), (204, 198230), (215, 188088), (255, 158584), (258, 156740), (340, 118938), (344, 117555), (408, 99115), (430, 94044), (461, 87720), (510, 79292), (516, 78370), (645, 62696), (680, 59469), (731, 55320), (860, 47022), (922, 43860), (1020, 39646), (1032, 39185), (1290, 31348), (1383, 29240), (1462, 27660), (1720, 23511), (1844, 21930), (2040, 19823), (2193, 18440), (2305, 17544), (2580, 15674), (2766, 14620), (2924, 13830), (3655, 11064), (3688, 10965), (4386, 9220), (4610, 8772), (5160, 7837), (5532, 7310), (5848, 6915)]