155853880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1$

素因数の和:989

約数の個数: 128

約数和(自身を含む): 441262080

約数和(自身を除く): 285408200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 91, 94, 104, 130, 140, 182, 188, 235, 260, 280, 329, 364, 376, 455, 470, 520, 611, 658, 728, 910, 911, 940, 1222, 1316, 1645, 1820, 1822, 1880, 2444, 2632, 3055, 3290, 3640, 3644, 4277, 4555, 4888, 6110, 6377, 6580, 7288, 8554, 9110, 11843, 12220, 12754, 13160, 17108, 18220, 21385, 23686, 24440, 25508, 31885, 34216, 36440, 42770, 42817, 47372, 51016, 59215, 63770, 82901, 85540, 85634, 94744, 118430, 127540, 165802, 171080, 171268, 214085, 236860, 255080, 299719, 331604, 342536, 414505, 428170, 473720, 556621, 599438, 663208, 829010, 856340, 1113242, 1198876, 1498595, 1658020, 1712680, 2226484, 2397752, 2783105, 2997190, 3316040, 3896347, 4452968, 5566210, 5994380, 7792694, 11132420, 11988760, 15585388, 19481735, 22264840, 31170776, 38963470, 77926940, 155853880]

約数ペア:

[(1, 155853880), (2, 77926940), (4, 38963470), (5, 31170776), (7, 22264840), (8, 19481735), (10, 15585388), (13, 11988760), (14, 11132420), (20, 7792694), (26, 5994380), (28, 5566210), (35, 4452968), (40, 3896347), (47, 3316040), (52, 2997190), (56, 2783105), (65, 2397752), (70, 2226484), (91, 1712680), (94, 1658020), (104, 1498595), (130, 1198876), (140, 1113242), (182, 856340), (188, 829010), (235, 663208), (260, 599438), (280, 556621), (329, 473720), (364, 428170), (376, 414505), (455, 342536), (470, 331604), (520, 299719), (611, 255080), (658, 236860), (728, 214085), (910, 171268), (911, 171080), (940, 165802), (1222, 127540), (1316, 118430), (1645, 94744), (1820, 85634), (1822, 85540), (1880, 82901), (2444, 63770), (2632, 59215), (3055, 51016), (3290, 47372), (3640, 42817), (3644, 42770), (4277, 36440), (4555, 34216), (4888, 31885), (6110, 25508), (6377, 24440), (6580, 23686), (7288, 21385), (8554, 18220), (9110, 17108), (11843, 13160), (12220, 12754)]