About the Number

128997960

128997959 ← → 128997961

2進数表記:111101100000101101001001000

漢数字表記:一億二千八百九十九万七千九百六十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 13 1 × 11813 1

素因数の和:11847
約数の個数: 128
約数和(自身を含む): 476340480
約数和(自身を除く): 347342520

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 11813, 23626, 35439, 47252, 59065, 70878, 82691, 94504, 118130, 141756, 153569, 165382, 177195, 236260, 248073, 283512, 307138, 330764, 354390, 413455, 460707, 472520, 496146, 614276, 661528, 708780, 767845, 826910, 921414, 992292, 1074983, 1228552, 1240365, 1417560, 1535690, 1653820, 1842828, 1984584, 2149966, 2303535, 2480730, 3071380, 3224949, 3307640, 3685656, 4299932, 4607070, 4961460, 5374915, 6142760, 6449898, 8599864, 9214140, 9922920, 10749830, 12899796, 16124745, 18428280, 21499660, 25799592, 32249490, 42999320, 64498980, 128997960]

約数ペア:
[(1, 128997960), (2, 64498980), (3, 42999320), (4, 32249490), (5, 25799592), (6, 21499660), (7, 18428280), (8, 16124745), (10, 12899796), (12, 10749830), (13, 9922920), (14, 9214140), (15, 8599864), (20, 6449898), (21, 6142760), (24, 5374915), (26, 4961460), (28, 4607070), (30, 4299932), (35, 3685656), (39, 3307640), (40, 3224949), (42, 3071380), (52, 2480730), (56, 2303535), (60, 2149966), (65, 1984584), (70, 1842828), (78, 1653820), (84, 1535690), (91, 1417560), (104, 1240365), (105, 1228552), (120, 1074983), (130, 992292), (140, 921414), (156, 826910), (168, 767845), (182, 708780), (195, 661528), (210, 614276), (260, 496146), (273, 472520), (280, 460707), (312, 413455), (364, 354390), (390, 330764), (420, 307138), (455, 283512), (520, 248073), (546, 236260), (728, 177195), (780, 165382), (840, 153569), (910, 141756), (1092, 118130), (1365, 94504), (1560, 82691), (1820, 70878), (2184, 59065), (2730, 47252), (3640, 35439), (5460, 23626), (10920, 11813)]

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