77572820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 189665280

約数和(自身を除く): 112092460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 52, 65, 76, 82, 95, 130, 164, 190, 205, 247, 260, 380, 383, 410, 494, 533, 766, 779, 820, 988, 1066, 1235, 1532, 1558, 1915, 2132, 2470, 2665, 3116, 3830, 3895, 4940, 4979, 5330, 7277, 7660, 7790, 9958, 10127, 10660, 14554, 15580, 15703, 19916, 20254, 24895, 29108, 31406, 36385, 40508, 49790, 50635, 62812, 72770, 78515, 94601, 99580, 101270, 145540, 157030, 189202, 202540, 204139, 298357, 314060, 378404, 408278, 473005, 596714, 816556, 946010, 1020695, 1193428, 1491785, 1892020, 2041390, 2983570, 3878641, 4082780, 5967140, 7757282, 15514564, 19393205, 38786410, 77572820]

約数ペア:

[(1, 77572820), (2, 38786410), (4, 19393205), (5, 15514564), (10, 7757282), (13, 5967140), (19, 4082780), (20, 3878641), (26, 2983570), (38, 2041390), (41, 1892020), (52, 1491785), (65, 1193428), (76, 1020695), (82, 946010), (95, 816556), (130, 596714), (164, 473005), (190, 408278), (205, 378404), (247, 314060), (260, 298357), (380, 204139), (383, 202540), (410, 189202), (494, 157030), (533, 145540), (766, 101270), (779, 99580), (820, 94601), (988, 78515), (1066, 72770), (1235, 62812), (1532, 50635), (1558, 49790), (1915, 40508), (2132, 36385), (2470, 31406), (2665, 29108), (3116, 24895), (3830, 20254), (3895, 19916), (4940, 15703), (4979, 15580), (5330, 14554), (7277, 10660), (7660, 10127), (7790, 9958)]