64695760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1436

約数の個数: 80

約数和(自身を含む): 163560960

約数和(自身を除く): 98865200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1373, 1520, 2356, 2480, 2746, 2945, 4712, 5492, 5890, 6865, 9424, 10984, 11780, 13730, 21968, 23560, 26087, 27460, 42563, 47120, 52174, 54920, 85126, 104348, 109840, 130435, 170252, 208696, 212815, 260870, 340504, 417392, 425630, 521740, 681008, 808697, 851260, 1043480, 1617394, 1702520, 2086960, 3234788, 3405040, 4043485, 6469576, 8086970, 12939152, 16173940, 32347880, 64695760]

約数ペア:

[(1, 64695760), (2, 32347880), (4, 16173940), (5, 12939152), (8, 8086970), (10, 6469576), (16, 4043485), (19, 3405040), (20, 3234788), (31, 2086960), (38, 1702520), (40, 1617394), (62, 1043480), (76, 851260), (80, 808697), (95, 681008), (124, 521740), (152, 425630), (155, 417392), (190, 340504), (248, 260870), (304, 212815), (310, 208696), (380, 170252), (496, 130435), (589, 109840), (620, 104348), (760, 85126), (1178, 54920), (1240, 52174), (1373, 47120), (1520, 42563), (2356, 27460), (2480, 26087), (2746, 23560), (2945, 21968), (4712, 13730), (5492, 11780), (5890, 10984), (6865, 9424)]