About the Number

72427440

72427439 ← → 72427441

2進数表記:100010100010010011110110000

漢数字表記:七千二百四十二万七千四百四十

素因数分解:

2 4 × 3 1 × 5 1 × 307 1 × 983 1

素因数の和:1306
約数の個数: 80
約数和(自身を含む): 225485568
約数和(自身を除く): 153058128

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 614, 921, 983, 1228, 1535, 1842, 1966, 2456, 2949, 3070, 3684, 3932, 4605, 4912, 4915, 5898, 6140, 7368, 7864, 9210, 9830, 11796, 12280, 14736, 14745, 15728, 18420, 19660, 23592, 24560, 29490, 36840, 39320, 47184, 58980, 73680, 78640, 117960, 235920, 301781, 603562, 905343, 1207124, 1508905, 1810686, 2414248, 3017810, 3621372, 4526715, 4828496, 6035620, 7242744, 9053430, 12071240, 14485488, 18106860, 24142480, 36213720, 72427440]

約数ペア:
[(1, 72427440), (2, 36213720), (3, 24142480), (4, 18106860), (5, 14485488), (6, 12071240), (8, 9053430), (10, 7242744), (12, 6035620), (15, 4828496), (16, 4526715), (20, 3621372), (24, 3017810), (30, 2414248), (40, 1810686), (48, 1508905), (60, 1207124), (80, 905343), (120, 603562), (240, 301781), (307, 235920), (614, 117960), (921, 78640), (983, 73680), (1228, 58980), (1535, 47184), (1842, 39320), (1966, 36840), (2456, 29490), (2949, 24560), (3070, 23592), (3684, 19660), (3932, 18420), (4605, 15728), (4912, 14745), (4915, 14736), (5898, 12280), (6140, 11796), (7368, 9830), (7864, 9210)]

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