178027720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:567

約数の個数: 128

約数和(自身を含む): 467308800

約数和(自身を除く): 289281080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 37, 38, 40, 52, 65, 74, 76, 95, 104, 130, 148, 152, 185, 190, 247, 260, 296, 370, 380, 481, 487, 494, 520, 703, 740, 760, 962, 974, 988, 1235, 1406, 1480, 1924, 1948, 1976, 2405, 2435, 2470, 2812, 3515, 3848, 3896, 4810, 4870, 4940, 5624, 6331, 7030, 9139, 9253, 9620, 9740, 9880, 12662, 14060, 18019, 18278, 18506, 19240, 19480, 25324, 28120, 31655, 36038, 36556, 37012, 45695, 46265, 50648, 63310, 72076, 73112, 74024, 90095, 91390, 92530, 120289, 126620, 144152, 180190, 182780, 185060, 234247, 240578, 253240, 342361, 360380, 365560, 370120, 468494, 481156, 601445, 684722, 720760, 936988, 962312, 1171235, 1202890, 1369444, 1711805, 1873976, 2342470, 2405780, 2738888, 3423610, 4450693, 4684940, 4811560, 6847220, 8901386, 9369880, 13694440, 17802772, 22253465, 35605544, 44506930, 89013860, 178027720]

約数ペア:

[(1, 178027720), (2, 89013860), (4, 44506930), (5, 35605544), (8, 22253465), (10, 17802772), (13, 13694440), (19, 9369880), (20, 8901386), (26, 6847220), (37, 4811560), (38, 4684940), (40, 4450693), (52, 3423610), (65, 2738888), (74, 2405780), (76, 2342470), (95, 1873976), (104, 1711805), (130, 1369444), (148, 1202890), (152, 1171235), (185, 962312), (190, 936988), (247, 720760), (260, 684722), (296, 601445), (370, 481156), (380, 468494), (481, 370120), (487, 365560), (494, 360380), (520, 342361), (703, 253240), (740, 240578), (760, 234247), (962, 185060), (974, 182780), (988, 180190), (1235, 144152), (1406, 126620), (1480, 120289), (1924, 92530), (1948, 91390), (1976, 90095), (2405, 74024), (2435, 73112), (2470, 72076), (2812, 63310), (3515, 50648), (3848, 46265), (3896, 45695), (4810, 37012), (4870, 36556), (4940, 36038), (5624, 31655), (6331, 28120), (7030, 25324), (9139, 19480), (9253, 19240), (9620, 18506), (9740, 18278), (9880, 18019), (12662, 14060)]