71011720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 189151200

約数和(自身を除く): 118139480

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 116, 130, 136, 145, 170, 221, 232, 260, 277, 290, 340, 377, 442, 493, 520, 554, 580, 680, 754, 884, 986, 1105, 1108, 1160, 1385, 1508, 1768, 1885, 1972, 2210, 2216, 2465, 2770, 3016, 3601, 3770, 3944, 4420, 4709, 4930, 5540, 6409, 7202, 7540, 8033, 8840, 9418, 9860, 11080, 12818, 14404, 15080, 16066, 18005, 18836, 19720, 23545, 25636, 28808, 32045, 32132, 36010, 37672, 40165, 47090, 51272, 61217, 64090, 64264, 72020, 80330, 94180, 104429, 122434, 128180, 136561, 144040, 160660, 188360, 208858, 244868, 256360, 273122, 306085, 321320, 417716, 489736, 522145, 546244, 612170, 682805, 835432, 1044290, 1092488, 1224340, 1365610, 1775293, 2088580, 2448680, 2731220, 3550586, 4177160, 5462440, 7101172, 8876465, 14202344, 17752930, 35505860, 71011720]

約数ペア:

[(1, 71011720), (2, 35505860), (4, 17752930), (5, 14202344), (8, 8876465), (10, 7101172), (13, 5462440), (17, 4177160), (20, 3550586), (26, 2731220), (29, 2448680), (34, 2088580), (40, 1775293), (52, 1365610), (58, 1224340), (65, 1092488), (68, 1044290), (85, 835432), (104, 682805), (116, 612170), (130, 546244), (136, 522145), (145, 489736), (170, 417716), (221, 321320), (232, 306085), (260, 273122), (277, 256360), (290, 244868), (340, 208858), (377, 188360), (442, 160660), (493, 144040), (520, 136561), (554, 128180), (580, 122434), (680, 104429), (754, 94180), (884, 80330), (986, 72020), (1105, 64264), (1108, 64090), (1160, 61217), (1385, 51272), (1508, 47090), (1768, 40165), (1885, 37672), (1972, 36010), (2210, 32132), (2216, 32045), (2465, 28808), (2770, 25636), (3016, 23545), (3601, 19720), (3770, 18836), (3944, 18005), (4420, 16066), (4709, 15080), (4930, 14404), (5540, 12818), (6409, 11080), (7202, 9860), (7540, 9418), (8033, 8840)]