About the Number

123390240

123390239 ← → 123390241

2進数表記:111010110101100100100100000

漢数字表記:一億二千三百三十九万二百四十

素因数分解:

2 5 × 3 1 × 5 1 × 59 1 × 4357 1

素因数の和:4434
約数の個数: 96
約数和(自身を含む): 395357760
約数和(自身を除く): 271967520

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 80, 96, 118, 120, 160, 177, 236, 240, 295, 354, 472, 480, 590, 708, 885, 944, 1180, 1416, 1770, 1888, 2360, 2832, 3540, 4357, 4720, 5664, 7080, 8714, 9440, 13071, 14160, 17428, 21785, 26142, 28320, 34856, 43570, 52284, 65355, 69712, 87140, 104568, 130710, 139424, 174280, 209136, 257063, 261420, 348560, 418272, 514126, 522840, 697120, 771189, 1028252, 1045680, 1285315, 1542378, 2056504, 2091360, 2570630, 3084756, 3855945, 4113008, 5141260, 6169512, 7711890, 8226016, 10282520, 12339024, 15423780, 20565040, 24678048, 30847560, 41130080, 61695120, 123390240]

約数ペア:
[(1, 123390240), (2, 61695120), (3, 41130080), (4, 30847560), (5, 24678048), (6, 20565040), (8, 15423780), (10, 12339024), (12, 10282520), (15, 8226016), (16, 7711890), (20, 6169512), (24, 5141260), (30, 4113008), (32, 3855945), (40, 3084756), (48, 2570630), (59, 2091360), (60, 2056504), (80, 1542378), (96, 1285315), (118, 1045680), (120, 1028252), (160, 771189), (177, 697120), (236, 522840), (240, 514126), (295, 418272), (354, 348560), (472, 261420), (480, 257063), (590, 209136), (708, 174280), (885, 139424), (944, 130710), (1180, 104568), (1416, 87140), (1770, 69712), (1888, 65355), (2360, 52284), (2832, 43570), (3540, 34856), (4357, 28320), (4720, 26142), (5664, 21785), (7080, 17428), (8714, 14160), (9440, 13071)]

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