258783040

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1440

約数の個数: 112

約数和(自身を含む): 670072320

約数和(自身を除く): 411289280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 992, 1178, 1216, 1240, 1373, 1520, 1984, 2356, 2480, 2746, 2945, 3040, 4712, 4960, 5492, 5890, 6080, 6865, 9424, 9920, 10984, 11780, 13730, 18848, 21968, 23560, 26087, 27460, 37696, 42563, 43936, 47120, 52174, 54920, 85126, 87872, 94240, 104348, 109840, 130435, 170252, 188480, 208696, 212815, 219680, 260870, 340504, 417392, 425630, 439360, 521740, 681008, 808697, 834784, 851260, 1043480, 1362016, 1617394, 1669568, 1702520, 2086960, 2724032, 3234788, 3405040, 4043485, 4173920, 6469576, 6810080, 8086970, 8347840, 12939152, 13620160, 16173940, 25878304, 32347880, 51756608, 64695760, 129391520, 258783040]

約数ペア:

[(1, 258783040), (2, 129391520), (4, 64695760), (5, 51756608), (8, 32347880), (10, 25878304), (16, 16173940), (19, 13620160), (20, 12939152), (31, 8347840), (32, 8086970), (38, 6810080), (40, 6469576), (62, 4173920), (64, 4043485), (76, 3405040), (80, 3234788), (95, 2724032), (124, 2086960), (152, 1702520), (155, 1669568), (160, 1617394), (190, 1362016), (248, 1043480), (304, 851260), (310, 834784), (320, 808697), (380, 681008), (496, 521740), (589, 439360), (608, 425630), (620, 417392), (760, 340504), (992, 260870), (1178, 219680), (1216, 212815), (1240, 208696), (1373, 188480), (1520, 170252), (1984, 130435), (2356, 109840), (2480, 104348), (2746, 94240), (2945, 87872), (3040, 85126), (4712, 54920), (4960, 52174), (5492, 47120), (5890, 43936), (6080, 42563), (6865, 37696), (9424, 27460), (9920, 26087), (10984, 23560), (11780, 21968), (13730, 18848)]