726372920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{463}}^1$

素因数の和:925

約数の個数: 128

約数和(自身を含む): 2020515840

約数和(自身を除く): 1294142920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 431, 455, 463, 520, 728, 862, 910, 926, 1724, 1820, 1852, 2155, 2315, 3017, 3241, 3448, 3640, 3704, 4310, 4630, 5603, 6019, 6034, 6482, 8620, 9260, 11206, 12038, 12068, 12964, 15085, 16205, 17240, 18520, 22412, 24076, 24136, 25928, 28015, 30095, 30170, 32410, 39221, 42133, 44824, 48152, 56030, 60190, 60340, 64820, 78442, 84266, 112060, 120380, 120680, 129640, 156884, 168532, 196105, 199553, 210665, 224120, 240760, 313768, 337064, 392210, 399106, 421330, 784420, 798212, 842660, 997765, 1396871, 1568840, 1596424, 1685320, 1995530, 2594189, 2793742, 3991060, 5188378, 5587484, 6984355, 7982120, 10376756, 11174968, 12970945, 13968710, 18159323, 20753512, 25941890, 27937420, 36318646, 51883780, 55874840, 72637292, 90796615, 103767560, 145274584, 181593230, 363186460, 726372920]

約数ペア:

[(1, 726372920), (2, 363186460), (4, 181593230), (5, 145274584), (7, 103767560), (8, 90796615), (10, 72637292), (13, 55874840), (14, 51883780), (20, 36318646), (26, 27937420), (28, 25941890), (35, 20753512), (40, 18159323), (52, 13968710), (56, 12970945), (65, 11174968), (70, 10376756), (91, 7982120), (104, 6984355), (130, 5587484), (140, 5188378), (182, 3991060), (260, 2793742), (280, 2594189), (364, 1995530), (431, 1685320), (455, 1596424), (463, 1568840), (520, 1396871), (728, 997765), (862, 842660), (910, 798212), (926, 784420), (1724, 421330), (1820, 399106), (1852, 392210), (2155, 337064), (2315, 313768), (3017, 240760), (3241, 224120), (3448, 210665), (3640, 199553), (3704, 196105), (4310, 168532), (4630, 156884), (5603, 129640), (6019, 120680), (6034, 120380), (6482, 112060), (8620, 84266), (9260, 78442), (11206, 64820), (12038, 60340), (12068, 60190), (12964, 56030), (15085, 48152), (16205, 44824), (17240, 42133), (18520, 39221), (22412, 32410), (24076, 30170), (24136, 30095), (25928, 28015)]