74287720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 193939200

約数和(自身を除く): 119651480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 73, 76, 95, 103, 104, 130, 146, 152, 190, 206, 247, 260, 292, 365, 380, 412, 494, 515, 520, 584, 730, 760, 824, 949, 988, 1030, 1235, 1339, 1387, 1460, 1898, 1957, 1976, 2060, 2470, 2678, 2774, 2920, 3796, 3914, 4120, 4745, 4940, 5356, 5548, 6695, 6935, 7519, 7592, 7828, 9490, 9785, 9880, 10712, 11096, 13390, 13870, 15038, 15656, 18031, 18980, 19570, 25441, 26780, 27740, 30076, 36062, 37595, 37960, 39140, 50882, 53560, 55480, 60152, 72124, 75190, 78280, 90155, 97747, 101764, 127205, 142861, 144248, 150380, 180310, 195494, 203528, 254410, 285722, 300760, 360620, 390988, 488735, 508820, 571444, 714305, 721240, 781976, 977470, 1017640, 1142888, 1428610, 1857193, 1954940, 2857220, 3714386, 3909880, 5714440, 7428772, 9285965, 14857544, 18571930, 37143860, 74287720]

約数ペア:

[(1, 74287720), (2, 37143860), (4, 18571930), (5, 14857544), (8, 9285965), (10, 7428772), (13, 5714440), (19, 3909880), (20, 3714386), (26, 2857220), (38, 1954940), (40, 1857193), (52, 1428610), (65, 1142888), (73, 1017640), (76, 977470), (95, 781976), (103, 721240), (104, 714305), (130, 571444), (146, 508820), (152, 488735), (190, 390988), (206, 360620), (247, 300760), (260, 285722), (292, 254410), (365, 203528), (380, 195494), (412, 180310), (494, 150380), (515, 144248), (520, 142861), (584, 127205), (730, 101764), (760, 97747), (824, 90155), (949, 78280), (988, 75190), (1030, 72124), (1235, 60152), (1339, 55480), (1387, 53560), (1460, 50882), (1898, 39140), (1957, 37960), (1976, 37595), (2060, 36062), (2470, 30076), (2678, 27740), (2774, 26780), (2920, 25441), (3796, 19570), (3914, 18980), (4120, 18031), (4745, 15656), (4940, 15038), (5356, 13870), (5548, 13390), (6695, 11096), (6935, 10712), (7519, 9880), (7592, 9785), (7828, 9490)]