217372680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{28753}}^1$

素因数の和:28780

約数の個数: 128

約数和(自身を含む): 828115200

約数和(自身を除く): 610742520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 28753, 57506, 86259, 115012, 143765, 172518, 201271, 230024, 258777, 287530, 345036, 402542, 431295, 517554, 575060, 603813, 690072, 776331, 805084, 862590, 1006355, 1035108, 1150120, 1207626, 1293885, 1552662, 1610168, 1725180, 1811439, 2012710, 2070216, 2415252, 2587770, 3019065, 3105324, 3450360, 3622878, 3881655, 4025420, 4830504, 5175540, 5434317, 6038130, 6210648, 7245756, 7763310, 8050840, 9057195, 10351080, 10868634, 12076260, 14491512, 15526620, 18114390, 21737268, 24152520, 27171585, 31053240, 36228780, 43474536, 54343170, 72457560, 108686340, 217372680]

約数ペア:

[(1, 217372680), (2, 108686340), (3, 72457560), (4, 54343170), (5, 43474536), (6, 36228780), (7, 31053240), (8, 27171585), (9, 24152520), (10, 21737268), (12, 18114390), (14, 15526620), (15, 14491512), (18, 12076260), (20, 10868634), (21, 10351080), (24, 9057195), (27, 8050840), (28, 7763310), (30, 7245756), (35, 6210648), (36, 6038130), (40, 5434317), (42, 5175540), (45, 4830504), (54, 4025420), (56, 3881655), (60, 3622878), (63, 3450360), (70, 3105324), (72, 3019065), (84, 2587770), (90, 2415252), (105, 2070216), (108, 2012710), (120, 1811439), (126, 1725180), (135, 1610168), (140, 1552662), (168, 1293885), (180, 1207626), (189, 1150120), (210, 1035108), (216, 1006355), (252, 862590), (270, 805084), (280, 776331), (315, 690072), (360, 603813), (378, 575060), (420, 517554), (504, 431295), (540, 402542), (630, 345036), (756, 287530), (840, 258777), (945, 230024), (1080, 201271), (1260, 172518), (1512, 143765), (1890, 115012), (2520, 86259), (3780, 57506), (7560, 28753)]