1197720960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20123}}^1$

素因数の和:20176

約数の個数: 128

約数和(自身を含む): 3941084160

約数和(自身を除く): 2743363200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11904, 14880, 19840, 20123, 29760, 40246, 59520, 60369, 80492, 100615, 120738, 160984, 201230, 241476, 301845, 321968, 402460, 482952, 603690, 623813, 643936, 804920, 965904, 1207380, 1247626, 1287872, 1609840, 1871439, 1931808, 2414760, 2495252, 2575744, 3119065, 3219680, 3742878, 3863616, 4829520, 4990504, 6238130, 6439360, 7485756, 7727232, 9357195, 9659040, 9981008, 12476260, 12878720, 14971512, 18714390, 19318080, 19962016, 24952520, 29943024, 37428780, 38636160, 39924032, 49905040, 59886048, 74857560, 79848064, 99810080, 119772096, 149715120, 199620160, 239544192, 299430240, 399240320, 598860480, 1197720960]

約数ペア:

[(1, 1197720960), (2, 598860480), (3, 399240320), (4, 299430240), (5, 239544192), (6, 199620160), (8, 149715120), (10, 119772096), (12, 99810080), (15, 79848064), (16, 74857560), (20, 59886048), (24, 49905040), (30, 39924032), (31, 38636160), (32, 37428780), (40, 29943024), (48, 24952520), (60, 19962016), (62, 19318080), (64, 18714390), (80, 14971512), (93, 12878720), (96, 12476260), (120, 9981008), (124, 9659040), (128, 9357195), (155, 7727232), (160, 7485756), (186, 6439360), (192, 6238130), (240, 4990504), (248, 4829520), (310, 3863616), (320, 3742878), (372, 3219680), (384, 3119065), (465, 2575744), (480, 2495252), (496, 2414760), (620, 1931808), (640, 1871439), (744, 1609840), (930, 1287872), (960, 1247626), (992, 1207380), (1240, 965904), (1488, 804920), (1860, 643936), (1920, 623813), (1984, 603690), (2480, 482952), (2976, 402460), (3720, 321968), (3968, 301845), (4960, 241476), (5952, 201230), (7440, 160984), (9920, 120738), (11904, 100615), (14880, 80492), (19840, 60369), (20123, 59520), (29760, 40246)]