1448698720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{719}}^1$

素因数の和:1005

約数の個数: 144

約数和(自身を含む): 4002384960

約数和(自身を除く): 2553686240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 257, 280, 392, 490, 514, 560, 719, 784, 980, 1028, 1120, 1285, 1438, 1568, 1799, 1960, 2056, 2570, 2876, 3595, 3598, 3920, 4112, 5033, 5140, 5752, 7190, 7196, 7840, 8224, 8995, 10066, 10280, 11504, 12593, 14380, 14392, 17990, 20132, 20560, 23008, 25165, 25186, 28760, 28784, 35231, 35980, 40264, 41120, 50330, 50372, 57520, 57568, 62965, 70462, 71960, 80528, 100660, 100744, 115040, 125930, 140924, 143920, 161056, 176155, 184783, 201320, 201488, 251860, 281848, 287840, 352310, 369566, 402640, 402976, 503720, 563696, 704620, 739132, 805280, 923915, 1007440, 1127392, 1293481, 1409240, 1478264, 1847830, 2014880, 2586962, 2818480, 2956528, 3695660, 5173924, 5636960, 5913056, 6467405, 7391320, 9054367, 10347848, 12934810, 14782640, 18108734, 20695696, 25869620, 29565280, 36217468, 41391392, 45271835, 51739240, 72434936, 90543670, 103478480, 144869872, 181087340, 206956960, 289739744, 362174680, 724349360, 1448698720]

約数ペア:

[(1, 1448698720), (2, 724349360), (4, 362174680), (5, 289739744), (7, 206956960), (8, 181087340), (10, 144869872), (14, 103478480), (16, 90543670), (20, 72434936), (28, 51739240), (32, 45271835), (35, 41391392), (40, 36217468), (49, 29565280), (56, 25869620), (70, 20695696), (80, 18108734), (98, 14782640), (112, 12934810), (140, 10347848), (160, 9054367), (196, 7391320), (224, 6467405), (245, 5913056), (257, 5636960), (280, 5173924), (392, 3695660), (490, 2956528), (514, 2818480), (560, 2586962), (719, 2014880), (784, 1847830), (980, 1478264), (1028, 1409240), (1120, 1293481), (1285, 1127392), (1438, 1007440), (1568, 923915), (1799, 805280), (1960, 739132), (2056, 704620), (2570, 563696), (2876, 503720), (3595, 402976), (3598, 402640), (3920, 369566), (4112, 352310), (5033, 287840), (5140, 281848), (5752, 251860), (7190, 201488), (7196, 201320), (7840, 184783), (8224, 176155), (8995, 161056), (10066, 143920), (10280, 140924), (11504, 125930), (12593, 115040), (14380, 100744), (14392, 100660), (17990, 80528), (20132, 71960), (20560, 70462), (23008, 62965), (25165, 57568), (25186, 57520), (28760, 50372), (28784, 50330), (35231, 41120), (35980, 40264)]