38156820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 119532672

約数和(自身を除く): 81375852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 71, 78, 106, 130, 142, 156, 159, 169, 195, 212, 213, 260, 265, 284, 318, 338, 355, 390, 426, 507, 530, 636, 676, 689, 710, 780, 795, 845, 852, 923, 1014, 1060, 1065, 1378, 1420, 1590, 1690, 1846, 2028, 2067, 2130, 2535, 2756, 2769, 3180, 3380, 3445, 3692, 3763, 4134, 4260, 4615, 5070, 5538, 6890, 7526, 8268, 8957, 9230, 10140, 10335, 11076, 11289, 11999, 13780, 13845, 15052, 17914, 18460, 18815, 20670, 22578, 23998, 26871, 27690, 35828, 35997, 37630, 41340, 44785, 45156, 47996, 48919, 53742, 55380, 56445, 59995, 71994, 75260, 89570, 97838, 107484, 112890, 119990, 134355, 143988, 146757, 179140, 179985, 195676, 225780, 239980, 244595, 268710, 293514, 359970, 489190, 537420, 587028, 635947, 719940, 733785, 978380, 1271894, 1467570, 1907841, 2543788, 2935140, 3179735, 3815682, 6359470, 7631364, 9539205, 12718940, 19078410, 38156820]

約数ペア:

[(1, 38156820), (2, 19078410), (3, 12718940), (4, 9539205), (5, 7631364), (6, 6359470), (10, 3815682), (12, 3179735), (13, 2935140), (15, 2543788), (20, 1907841), (26, 1467570), (30, 1271894), (39, 978380), (52, 733785), (53, 719940), (60, 635947), (65, 587028), (71, 537420), (78, 489190), (106, 359970), (130, 293514), (142, 268710), (156, 244595), (159, 239980), (169, 225780), (195, 195676), (212, 179985), (213, 179140), (260, 146757), (265, 143988), (284, 134355), (318, 119990), (338, 112890), (355, 107484), (390, 97838), (426, 89570), (507, 75260), (530, 71994), (636, 59995), (676, 56445), (689, 55380), (710, 53742), (780, 48919), (795, 47996), (845, 45156), (852, 44785), (923, 41340), (1014, 37630), (1060, 35997), (1065, 35828), (1378, 27690), (1420, 26871), (1590, 23998), (1690, 22578), (1846, 20670), (2028, 18815), (2067, 18460), (2130, 17914), (2535, 15052), (2756, 13845), (2769, 13780), (3180, 11999), (3380, 11289), (3445, 11076), (3692, 10335), (3763, 10140), (4134, 9230), (4260, 8957), (4615, 8268), (5070, 7526), (5538, 6890)]