81219216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1783}}^1$

素因数の和:1880

約数の個数: 80

約数和(自身を含む): 229179776

約数和(自身を除く): 147960560

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 73, 78, 104, 146, 156, 208, 219, 292, 312, 438, 584, 624, 876, 949, 1168, 1752, 1783, 1898, 2847, 3504, 3566, 3796, 5349, 5694, 7132, 7592, 10698, 11388, 14264, 15184, 21396, 22776, 23179, 28528, 42792, 45552, 46358, 69537, 85584, 92716, 130159, 139074, 185432, 260318, 278148, 370864, 390477, 520636, 556296, 780954, 1041272, 1112592, 1561908, 1692067, 2082544, 3123816, 3384134, 5076201, 6247632, 6768268, 10152402, 13536536, 20304804, 27073072, 40609608, 81219216]

約数ペア:

[(1, 81219216), (2, 40609608), (3, 27073072), (4, 20304804), (6, 13536536), (8, 10152402), (12, 6768268), (13, 6247632), (16, 5076201), (24, 3384134), (26, 3123816), (39, 2082544), (48, 1692067), (52, 1561908), (73, 1112592), (78, 1041272), (104, 780954), (146, 556296), (156, 520636), (208, 390477), (219, 370864), (292, 278148), (312, 260318), (438, 185432), (584, 139074), (624, 130159), (876, 92716), (949, 85584), (1168, 69537), (1752, 46358), (1783, 45552), (1898, 42792), (2847, 28528), (3504, 23179), (3566, 22776), (3796, 21396), (5349, 15184), (5694, 14264), (7132, 11388), (7592, 10698)]