54687320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1531}}^1$

素因数の和:1608

約数の個数: 64

約数和(自身を含む): 132364800

約数和(自身を除く): 77677480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1531, 1786, 1880, 3062, 3572, 4465, 6124, 7144, 7655, 8930, 12248, 15310, 17860, 29089, 30620, 35720, 58178, 61240, 71957, 116356, 143914, 145445, 232712, 287828, 290890, 359785, 575656, 581780, 719570, 1163560, 1367183, 1439140, 2734366, 2878280, 5468732, 6835915, 10937464, 13671830, 27343660, 54687320]

約数ペア:

[(1, 54687320), (2, 27343660), (4, 13671830), (5, 10937464), (8, 6835915), (10, 5468732), (19, 2878280), (20, 2734366), (38, 1439140), (40, 1367183), (47, 1163560), (76, 719570), (94, 581780), (95, 575656), (152, 359785), (188, 290890), (190, 287828), (235, 232712), (376, 145445), (380, 143914), (470, 116356), (760, 71957), (893, 61240), (940, 58178), (1531, 35720), (1786, 30620), (1880, 29089), (3062, 17860), (3572, 15310), (4465, 12248), (6124, 8930), (7144, 7655)]