128335460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 305230464

約数和(自身を除く): 176895004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 73, 110, 122, 131, 146, 220, 244, 262, 292, 305, 365, 524, 610, 655, 671, 730, 803, 1220, 1310, 1342, 1441, 1460, 1606, 2620, 2684, 2882, 3212, 3355, 4015, 4453, 5764, 6710, 7205, 7991, 8030, 8906, 9563, 13420, 14410, 15982, 16060, 17812, 19126, 22265, 28820, 31964, 38252, 39955, 44530, 47815, 48983, 79910, 87901, 89060, 95630, 97966, 105193, 159820, 175802, 191260, 195932, 210386, 244915, 351604, 420772, 439505, 489830, 525965, 583343, 879010, 979660, 1051930, 1166686, 1758020, 2103860, 2333372, 2916715, 5833430, 6416773, 11666860, 12833546, 25667092, 32083865, 64167730, 128335460]

約数ペア:

[(1, 128335460), (2, 64167730), (4, 32083865), (5, 25667092), (10, 12833546), (11, 11666860), (20, 6416773), (22, 5833430), (44, 2916715), (55, 2333372), (61, 2103860), (73, 1758020), (110, 1166686), (122, 1051930), (131, 979660), (146, 879010), (220, 583343), (244, 525965), (262, 489830), (292, 439505), (305, 420772), (365, 351604), (524, 244915), (610, 210386), (655, 195932), (671, 191260), (730, 175802), (803, 159820), (1220, 105193), (1310, 97966), (1342, 95630), (1441, 89060), (1460, 87901), (1606, 79910), (2620, 48983), (2684, 47815), (2882, 44530), (3212, 39955), (3355, 38252), (4015, 31964), (4453, 28820), (5764, 22265), (6710, 19126), (7205, 17812), (7991, 16060), (8030, 15982), (8906, 14410), (9563, 13420)]