1389938520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{4177}}^1$

素因数の和:4297

約数の個数: 128

約数和(自身を含む): 4331750400

約数和(自身を除く): 2941811880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 59, 60, 94, 118, 120, 141, 177, 188, 235, 236, 282, 295, 354, 376, 470, 472, 564, 590, 705, 708, 885, 940, 1128, 1180, 1410, 1416, 1770, 1880, 2360, 2773, 2820, 3540, 4177, 5546, 5640, 7080, 8319, 8354, 11092, 12531, 13865, 16638, 16708, 20885, 22184, 25062, 27730, 33276, 33416, 41595, 41770, 50124, 55460, 62655, 66552, 83190, 83540, 100248, 110920, 125310, 166380, 167080, 196319, 246443, 250620, 332760, 392638, 492886, 501240, 588957, 739329, 785276, 981595, 985772, 1177914, 1232215, 1478658, 1570552, 1963190, 1971544, 2355828, 2464430, 2944785, 2957316, 3696645, 3926380, 4711656, 4928860, 5889570, 5914632, 7393290, 7852760, 9857720, 11582821, 11779140, 14786580, 23165642, 23558280, 29573160, 34748463, 46331284, 57914105, 69496926, 92662568, 115828210, 138993852, 173742315, 231656420, 277987704, 347484630, 463312840, 694969260, 1389938520]

約数ペア:

[(1, 1389938520), (2, 694969260), (3, 463312840), (4, 347484630), (5, 277987704), (6, 231656420), (8, 173742315), (10, 138993852), (12, 115828210), (15, 92662568), (20, 69496926), (24, 57914105), (30, 46331284), (40, 34748463), (47, 29573160), (59, 23558280), (60, 23165642), (94, 14786580), (118, 11779140), (120, 11582821), (141, 9857720), (177, 7852760), (188, 7393290), (235, 5914632), (236, 5889570), (282, 4928860), (295, 4711656), (354, 3926380), (376, 3696645), (470, 2957316), (472, 2944785), (564, 2464430), (590, 2355828), (705, 1971544), (708, 1963190), (885, 1570552), (940, 1478658), (1128, 1232215), (1180, 1177914), (1410, 985772), (1416, 981595), (1770, 785276), (1880, 739329), (2360, 588957), (2773, 501240), (2820, 492886), (3540, 392638), (4177, 332760), (5546, 250620), (5640, 246443), (7080, 196319), (8319, 167080), (8354, 166380), (11092, 125310), (12531, 110920), (13865, 100248), (16638, 83540), (16708, 83190), (20885, 66552), (22184, 62655), (25062, 55460), (27730, 50124), (33276, 41770), (33416, 41595)]