19802019960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{230149}}^1$

素因数の和:230405

約数の個数: 96

約数和(自身を含む): 64626120000

約数和(自身を除く): 44824100040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 239, 360, 478, 717, 956, 1195, 1434, 1912, 2151, 2390, 2868, 3585, 4302, 4780, 5736, 7170, 8604, 9560, 10755, 14340, 17208, 21510, 28680, 43020, 86040, 230149, 460298, 690447, 920596, 1150745, 1380894, 1841192, 2071341, 2301490, 2761788, 3452235, 4142682, 4602980, 5523576, 6904470, 8285364, 9205960, 10356705, 13808940, 16570728, 20713410, 27617880, 41426820, 55005611, 82853640, 110011222, 165016833, 220022444, 275028055, 330033666, 440044888, 495050499, 550056110, 660067332, 825084165, 990100998, 1100112220, 1320134664, 1650168330, 1980201996, 2200224440, 2475252495, 3300336660, 3960403992, 4950504990, 6600673320, 9901009980, 19802019960]

約数ペア:

[(1, 19802019960), (2, 9901009980), (3, 6600673320), (4, 4950504990), (5, 3960403992), (6, 3300336660), (8, 2475252495), (9, 2200224440), (10, 1980201996), (12, 1650168330), (15, 1320134664), (18, 1100112220), (20, 990100998), (24, 825084165), (30, 660067332), (36, 550056110), (40, 495050499), (45, 440044888), (60, 330033666), (72, 275028055), (90, 220022444), (120, 165016833), (180, 110011222), (239, 82853640), (360, 55005611), (478, 41426820), (717, 27617880), (956, 20713410), (1195, 16570728), (1434, 13808940), (1912, 10356705), (2151, 9205960), (2390, 8285364), (2868, 6904470), (3585, 5523576), (4302, 4602980), (4780, 4142682), (5736, 3452235), (7170, 2761788), (8604, 2301490), (9560, 2071341), (10755, 1841192), (14340, 1380894), (17208, 1150745), (21510, 920596), (28680, 690447), (43020, 460298), (86040, 230149)]