1640185890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{339583}}^1$

素因数の和:339623

約数の個数: 64

約数和(自身を含む): 4694409216

約数和(自身を除く): 3054223326

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4830, 339583, 679166, 1018749, 1697915, 2037498, 2377081, 3395830, 4754162, 5093745, 7131243, 7810409, 10187490, 11885405, 14262486, 15620818, 23431227, 23770810, 35656215, 39052045, 46862454, 54672863, 71312430, 78104090, 109345726, 117156135, 164018589, 234312270, 273364315, 328037178, 546728630, 820092945, 1640185890]

約数ペア:

[(1, 1640185890), (2, 820092945), (3, 546728630), (5, 328037178), (6, 273364315), (7, 234312270), (10, 164018589), (14, 117156135), (15, 109345726), (21, 78104090), (23, 71312430), (30, 54672863), (35, 46862454), (42, 39052045), (46, 35656215), (69, 23770810), (70, 23431227), (105, 15620818), (115, 14262486), (138, 11885405), (161, 10187490), (210, 7810409), (230, 7131243), (322, 5093745), (345, 4754162), (483, 3395830), (690, 2377081), (805, 2037498), (966, 1697915), (1610, 1018749), (2415, 679166), (4830, 339583)]