220401072

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:651

約数の個数: 120

約数和(自身を含む): 644542080

約数和(自身を除く): 424141008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 97, 124, 144, 186, 194, 248, 279, 291, 372, 388, 496, 509, 558, 582, 744, 776, 873, 1018, 1116, 1164, 1488, 1527, 1552, 1746, 2036, 2232, 2328, 3007, 3054, 3492, 4072, 4464, 4581, 4656, 6014, 6108, 6984, 8144, 9021, 9162, 12028, 12216, 13968, 15779, 18042, 18324, 24056, 24432, 27063, 31558, 36084, 36648, 47337, 48112, 49373, 54126, 63116, 72168, 73296, 94674, 98746, 108252, 126232, 142011, 144336, 148119, 189348, 197492, 216504, 252464, 284022, 296238, 378696, 394984, 433008, 444357, 568044, 592476, 757392, 789968, 888714, 1136088, 1184952, 1530563, 1777428, 2272176, 2369904, 3061126, 3554856, 4591689, 6122252, 7109712, 9183378, 12244504, 13775067, 18366756, 24489008, 27550134, 36733512, 55100268, 73467024, 110200536, 220401072]

約数ペア:

[(1, 220401072), (2, 110200536), (3, 73467024), (4, 55100268), (6, 36733512), (8, 27550134), (9, 24489008), (12, 18366756), (16, 13775067), (18, 12244504), (24, 9183378), (31, 7109712), (36, 6122252), (48, 4591689), (62, 3554856), (72, 3061126), (93, 2369904), (97, 2272176), (124, 1777428), (144, 1530563), (186, 1184952), (194, 1136088), (248, 888714), (279, 789968), (291, 757392), (372, 592476), (388, 568044), (496, 444357), (509, 433008), (558, 394984), (582, 378696), (744, 296238), (776, 284022), (873, 252464), (1018, 216504), (1116, 197492), (1164, 189348), (1488, 148119), (1527, 144336), (1552, 142011), (1746, 126232), (2036, 108252), (2232, 98746), (2328, 94674), (3007, 73296), (3054, 72168), (3492, 63116), (4072, 54126), (4464, 49373), (4581, 48112), (4656, 47337), (6014, 36648), (6108, 36084), (6984, 31558), (8144, 27063), (9021, 24432), (9162, 24056), (12028, 18324), (12216, 18042), (13968, 15779)]