72845240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 190209600

約数和(自身を除く): 117364360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 73, 76, 95, 101, 104, 130, 146, 152, 190, 202, 247, 260, 292, 365, 380, 404, 494, 505, 520, 584, 730, 760, 808, 949, 988, 1010, 1235, 1313, 1387, 1460, 1898, 1919, 1976, 2020, 2470, 2626, 2774, 2920, 3796, 3838, 4040, 4745, 4940, 5252, 5548, 6565, 6935, 7373, 7592, 7676, 9490, 9595, 9880, 10504, 11096, 13130, 13870, 14746, 15352, 18031, 18980, 19190, 24947, 26260, 27740, 29492, 36062, 36865, 37960, 38380, 49894, 52520, 55480, 58984, 72124, 73730, 76760, 90155, 95849, 99788, 124735, 140087, 144248, 147460, 180310, 191698, 199576, 249470, 280174, 294920, 360620, 383396, 479245, 498940, 560348, 700435, 721240, 766792, 958490, 997880, 1120696, 1400870, 1821131, 1916980, 2801740, 3642262, 3833960, 5603480, 7284524, 9105655, 14569048, 18211310, 36422620, 72845240]

約数ペア:

[(1, 72845240), (2, 36422620), (4, 18211310), (5, 14569048), (8, 9105655), (10, 7284524), (13, 5603480), (19, 3833960), (20, 3642262), (26, 2801740), (38, 1916980), (40, 1821131), (52, 1400870), (65, 1120696), (73, 997880), (76, 958490), (95, 766792), (101, 721240), (104, 700435), (130, 560348), (146, 498940), (152, 479245), (190, 383396), (202, 360620), (247, 294920), (260, 280174), (292, 249470), (365, 199576), (380, 191698), (404, 180310), (494, 147460), (505, 144248), (520, 140087), (584, 124735), (730, 99788), (760, 95849), (808, 90155), (949, 76760), (988, 73730), (1010, 72124), (1235, 58984), (1313, 55480), (1387, 52520), (1460, 49894), (1898, 38380), (1919, 37960), (1976, 36865), (2020, 36062), (2470, 29492), (2626, 27740), (2774, 26260), (2920, 24947), (3796, 19190), (3838, 18980), (4040, 18031), (4745, 15352), (4940, 14746), (5252, 13870), (5548, 13130), (6565, 11096), (6935, 10504), (7373, 9880), (7592, 9595), (7676, 9490)]