90448740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 294840000

約数和(自身を除く): 204391260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 114, 159, 171, 180, 190, 212, 228, 265, 285, 318, 342, 380, 477, 499, 530, 570, 636, 684, 795, 855, 954, 998, 1007, 1060, 1140, 1497, 1590, 1710, 1908, 1996, 2014, 2385, 2495, 2994, 3021, 3180, 3420, 4028, 4491, 4770, 4990, 5035, 5988, 6042, 7485, 8982, 9063, 9481, 9540, 9980, 10070, 12084, 14970, 15105, 17964, 18126, 18962, 20140, 22455, 26447, 28443, 29940, 30210, 36252, 37924, 44910, 45315, 47405, 52894, 56886, 60420, 79341, 85329, 89820, 90630, 94810, 105788, 113772, 132235, 142215, 158682, 170658, 181260, 189620, 238023, 264470, 284430, 317364, 341316, 396705, 426645, 476046, 502493, 528940, 568860, 793410, 853290, 952092, 1004986, 1190115, 1507479, 1586820, 1706580, 2009972, 2380230, 2512465, 3014958, 4522437, 4760460, 5024930, 6029916, 7537395, 9044874, 10049860, 15074790, 18089748, 22612185, 30149580, 45224370, 90448740]

約数ペア:

[(1, 90448740), (2, 45224370), (3, 30149580), (4, 22612185), (5, 18089748), (6, 15074790), (9, 10049860), (10, 9044874), (12, 7537395), (15, 6029916), (18, 5024930), (19, 4760460), (20, 4522437), (30, 3014958), (36, 2512465), (38, 2380230), (45, 2009972), (53, 1706580), (57, 1586820), (60, 1507479), (76, 1190115), (90, 1004986), (95, 952092), (106, 853290), (114, 793410), (159, 568860), (171, 528940), (180, 502493), (190, 476046), (212, 426645), (228, 396705), (265, 341316), (285, 317364), (318, 284430), (342, 264470), (380, 238023), (477, 189620), (499, 181260), (530, 170658), (570, 158682), (636, 142215), (684, 132235), (795, 113772), (855, 105788), (954, 94810), (998, 90630), (1007, 89820), (1060, 85329), (1140, 79341), (1497, 60420), (1590, 56886), (1710, 52894), (1908, 47405), (1996, 45315), (2014, 44910), (2385, 37924), (2495, 36252), (2994, 30210), (3021, 29940), (3180, 28443), (3420, 26447), (4028, 22455), (4491, 20140), (4770, 18962), (4990, 18126), (5035, 17964), (5988, 15105), (6042, 14970), (7485, 12084), (8982, 10070), (9063, 9980), (9481, 9540)]