1555694080

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19603}}^1$

素因数の和:19657

約数の個数: 80

約数和(自身を含む): 3850539264

約数和(自身を除く): 2294845184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 19603, 19840, 39206, 39680, 78412, 79360, 98015, 156824, 196030, 313648, 392060, 607693, 627296, 784120, 1215386, 1254592, 1568240, 2430772, 2509184, 3038465, 3136480, 4861544, 5018368, 6076930, 6272960, 9723088, 10036736, 12153860, 12545920, 19446176, 24307720, 25091840, 38892352, 48615440, 50183680, 77784704, 97230880, 155569408, 194461760, 311138816, 388923520, 777847040, 1555694080]

約数ペア:

[(1, 1555694080), (2, 777847040), (4, 388923520), (5, 311138816), (8, 194461760), (10, 155569408), (16, 97230880), (20, 77784704), (31, 50183680), (32, 48615440), (40, 38892352), (62, 25091840), (64, 24307720), (80, 19446176), (124, 12545920), (128, 12153860), (155, 10036736), (160, 9723088), (248, 6272960), (256, 6076930), (310, 5018368), (320, 4861544), (496, 3136480), (512, 3038465), (620, 2509184), (640, 2430772), (992, 1568240), (1240, 1254592), (1280, 1215386), (1984, 784120), (2480, 627296), (2560, 607693), (3968, 392060), (4960, 313648), (7936, 196030), (9920, 156824), (15872, 98015), (19603, 79360), (19840, 78412), (39206, 39680)]