656560656

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7741}}^1$

素因数の和:7805

約数の個数: 120

約数和(自身を含む): 1996816640

約数和(自身を除く): 1340255984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 1116, 1178, 1368, 1488, 1767, 2232, 2356, 2736, 3534, 4464, 4712, 5301, 7068, 7741, 9424, 10602, 14136, 15482, 21204, 23223, 28272, 30964, 42408, 46446, 61928, 69669, 84816, 92892, 123856, 139338, 147079, 185784, 239971, 278676, 294158, 371568, 441237, 479942, 557352, 588316, 719913, 882474, 959884, 1114704, 1176632, 1323711, 1439826, 1764948, 1919768, 2159739, 2353264, 2647422, 2879652, 3529896, 3839536, 4319478, 4559449, 5294844, 5759304, 7059792, 8638956, 9118898, 10589688, 11518608, 13678347, 17277912, 18237796, 21179376, 27356694, 34555824, 36475592, 41035041, 54713388, 72951184, 82070082, 109426776, 164140164, 218853552, 328280328, 656560656]

約数ペア:

[(1, 656560656), (2, 328280328), (3, 218853552), (4, 164140164), (6, 109426776), (8, 82070082), (9, 72951184), (12, 54713388), (16, 41035041), (18, 36475592), (19, 34555824), (24, 27356694), (31, 21179376), (36, 18237796), (38, 17277912), (48, 13678347), (57, 11518608), (62, 10589688), (72, 9118898), (76, 8638956), (93, 7059792), (114, 5759304), (124, 5294844), (144, 4559449), (152, 4319478), (171, 3839536), (186, 3529896), (228, 2879652), (248, 2647422), (279, 2353264), (304, 2159739), (342, 1919768), (372, 1764948), (456, 1439826), (496, 1323711), (558, 1176632), (589, 1114704), (684, 959884), (744, 882474), (912, 719913), (1116, 588316), (1178, 557352), (1368, 479942), (1488, 441237), (1767, 371568), (2232, 294158), (2356, 278676), (2736, 239971), (3534, 185784), (4464, 147079), (4712, 139338), (5301, 123856), (7068, 92892), (7741, 84816), (9424, 69669), (10602, 61928), (14136, 46446), (15482, 42408), (21204, 30964), (23223, 28272)]