215861880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138373}}^1$

素因数の和:138400

約数の個数: 64

約数和(自身を含む): 697404960

約数和(自身を除く): 481543080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 138373, 276746, 415119, 553492, 691865, 830238, 1106984, 1383730, 1660476, 1798849, 2075595, 2767460, 3320952, 3597698, 4151190, 5396547, 5534920, 7195396, 8302380, 8994245, 10793094, 14390792, 16604760, 17988490, 21586188, 26982735, 35976980, 43172376, 53965470, 71953960, 107930940, 215861880]

約数ペア:

[(1, 215861880), (2, 107930940), (3, 71953960), (4, 53965470), (5, 43172376), (6, 35976980), (8, 26982735), (10, 21586188), (12, 17988490), (13, 16604760), (15, 14390792), (20, 10793094), (24, 8994245), (26, 8302380), (30, 7195396), (39, 5534920), (40, 5396547), (52, 4151190), (60, 3597698), (65, 3320952), (78, 2767460), (104, 2075595), (120, 1798849), (130, 1660476), (156, 1383730), (195, 1106984), (260, 830238), (312, 691865), (390, 553492), (520, 415119), (780, 276746), (1560, 138373)]