181745480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 490510080

約数和(自身を除く): 308764600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 53, 56, 70, 74, 106, 140, 148, 185, 212, 259, 265, 280, 296, 331, 370, 371, 424, 518, 530, 662, 740, 742, 1036, 1060, 1295, 1324, 1480, 1484, 1655, 1855, 1961, 2072, 2120, 2317, 2590, 2648, 2968, 3310, 3710, 3922, 4634, 5180, 6620, 7420, 7844, 9268, 9805, 10360, 11585, 12247, 13240, 13727, 14840, 15688, 17543, 18536, 19610, 23170, 24494, 27454, 35086, 39220, 46340, 48988, 54908, 61235, 68635, 70172, 78440, 85729, 87715, 92680, 97976, 109816, 122470, 122801, 137270, 140344, 171458, 175430, 244940, 245602, 274540, 342916, 350860, 428645, 489880, 491204, 549080, 614005, 649091, 685832, 701720, 857290, 982408, 1228010, 1298182, 1714580, 2456020, 2596364, 3245455, 3429160, 4543637, 4912040, 5192728, 6490910, 9087274, 12981820, 18174548, 22718185, 25963640, 36349096, 45436370, 90872740, 181745480]

約数ペア:

[(1, 181745480), (2, 90872740), (4, 45436370), (5, 36349096), (7, 25963640), (8, 22718185), (10, 18174548), (14, 12981820), (20, 9087274), (28, 6490910), (35, 5192728), (37, 4912040), (40, 4543637), (53, 3429160), (56, 3245455), (70, 2596364), (74, 2456020), (106, 1714580), (140, 1298182), (148, 1228010), (185, 982408), (212, 857290), (259, 701720), (265, 685832), (280, 649091), (296, 614005), (331, 549080), (370, 491204), (371, 489880), (424, 428645), (518, 350860), (530, 342916), (662, 274540), (740, 245602), (742, 244940), (1036, 175430), (1060, 171458), (1295, 140344), (1324, 137270), (1480, 122801), (1484, 122470), (1655, 109816), (1855, 97976), (1961, 92680), (2072, 87715), (2120, 85729), (2317, 78440), (2590, 70172), (2648, 68635), (2968, 61235), (3310, 54908), (3710, 48988), (3922, 46340), (4634, 39220), (5180, 35086), (6620, 27454), (7420, 24494), (7844, 23170), (9268, 19610), (9805, 18536), (10360, 17543), (11585, 15688), (12247, 14840), (13240, 13727)]