18629760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 128

約数和(自身を含む): 61493760

約数和(自身を除く): 42864000

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, 313, 320, 372, 384, 465, 480, 496, 620, 626, 640, 744, 930, 939, 960, 992, 1240, 1252, 1488, 1565, 1860, 1878, 1920, 1984, 2480, 2504, 2976, 3130, 3720, 3756, 3968, 4695, 4960, 5008, 5952, 6260, 7440, 7512, 9390, 9703, 9920, 10016, 11904, 12520, 14880, 15024, 18780, 19406, 19840, 20032, 25040, 29109, 29760, 30048, 37560, 38812, 40064, 48515, 50080, 58218, 59520, 60096, 75120, 77624, 97030, 100160, 116436, 120192, 145545, 150240, 155248, 194060, 200320, 232872, 291090, 300480, 310496, 388120, 465744, 582180, 600960, 620992, 776240, 931488, 1164360, 1241984, 1552480, 1862976, 2328720, 3104960, 3725952, 4657440, 6209920, 9314880, 18629760]

約数ペア:

[(1, 18629760), (2, 9314880), (3, 6209920), (4, 4657440), (5, 3725952), (6, 3104960), (8, 2328720), (10, 1862976), (12, 1552480), (15, 1241984), (16, 1164360), (20, 931488), (24, 776240), (30, 620992), (31, 600960), (32, 582180), (40, 465744), (48, 388120), (60, 310496), (62, 300480), (64, 291090), (80, 232872), (93, 200320), (96, 194060), (120, 155248), (124, 150240), (128, 145545), (155, 120192), (160, 116436), (186, 100160), (192, 97030), (240, 77624), (248, 75120), (310, 60096), (313, 59520), (320, 58218), (372, 50080), (384, 48515), (465, 40064), (480, 38812), (496, 37560), (620, 30048), (626, 29760), (640, 29109), (744, 25040), (930, 20032), (939, 19840), (960, 19406), (992, 18780), (1240, 15024), (1252, 14880), (1488, 12520), (1565, 11904), (1860, 10016), (1878, 9920), (1920, 9703), (1984, 9390), (2480, 7512), (2504, 7440), (2976, 6260), (3130, 5952), (3720, 5008), (3756, 4960), (3968, 4695)]