1291278720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11399}}^1$

素因数の和:11480

約数の個数: 128

約数和(自身を含む): 4186080000

約数和(自身を除く): 2894801280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 128, 160, 177, 192, 236, 240, 295, 320, 354, 384, 472, 480, 590, 640, 708, 885, 944, 960, 1180, 1416, 1770, 1888, 1920, 2360, 2832, 3540, 3776, 4720, 5664, 7080, 7552, 9440, 11328, 11399, 14160, 18880, 22656, 22798, 28320, 34197, 37760, 45596, 56640, 56995, 68394, 91192, 113280, 113990, 136788, 170985, 182384, 227980, 273576, 341970, 364768, 455960, 547152, 672541, 683940, 729536, 911920, 1094304, 1345082, 1367880, 1459072, 1823840, 2017623, 2188608, 2690164, 2735760, 3362705, 3647680, 4035246, 4377216, 5380328, 5471520, 6725410, 7295360, 8070492, 10088115, 10760656, 10943040, 13450820, 16140984, 20176230, 21521312, 21886080, 26901640, 32281968, 40352460, 43042624, 53803280, 64563936, 80704920, 86085248, 107606560, 129127872, 161409840, 215213120, 258255744, 322819680, 430426240, 645639360, 1291278720]

約数ペア:

[(1, 1291278720), (2, 645639360), (3, 430426240), (4, 322819680), (5, 258255744), (6, 215213120), (8, 161409840), (10, 129127872), (12, 107606560), (15, 86085248), (16, 80704920), (20, 64563936), (24, 53803280), (30, 43042624), (32, 40352460), (40, 32281968), (48, 26901640), (59, 21886080), (60, 21521312), (64, 20176230), (80, 16140984), (96, 13450820), (118, 10943040), (120, 10760656), (128, 10088115), (160, 8070492), (177, 7295360), (192, 6725410), (236, 5471520), (240, 5380328), (295, 4377216), (320, 4035246), (354, 3647680), (384, 3362705), (472, 2735760), (480, 2690164), (590, 2188608), (640, 2017623), (708, 1823840), (885, 1459072), (944, 1367880), (960, 1345082), (1180, 1094304), (1416, 911920), (1770, 729536), (1888, 683940), (1920, 672541), (2360, 547152), (2832, 455960), (3540, 364768), (3776, 341970), (4720, 273576), (5664, 227980), (7080, 182384), (7552, 170985), (9440, 136788), (11328, 113990), (11399, 113280), (14160, 91192), (18880, 68394), (22656, 56995), (22798, 56640), (28320, 45596), (34197, 37760)]