128546860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 311592960

約数和(自身を除く): 183046100

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 127, 130, 170, 221, 229, 254, 260, 340, 442, 458, 508, 635, 884, 916, 1105, 1145, 1270, 1651, 2159, 2210, 2290, 2540, 2977, 3302, 3893, 4318, 4420, 4580, 5954, 6604, 7786, 8255, 8636, 10795, 11908, 14885, 15572, 16510, 19465, 21590, 28067, 29083, 29770, 33020, 38930, 43180, 50609, 56134, 58166, 59540, 77860, 101218, 112268, 116332, 140335, 145415, 202436, 253045, 280670, 290830, 378079, 494411, 506090, 561340, 581660, 756158, 988822, 1012180, 1512316, 1890395, 1977644, 2472055, 3780790, 4944110, 6427343, 7561580, 9888220, 12854686, 25709372, 32136715, 64273430, 128546860]

約数ペア:

[(1, 128546860), (2, 64273430), (4, 32136715), (5, 25709372), (10, 12854686), (13, 9888220), (17, 7561580), (20, 6427343), (26, 4944110), (34, 3780790), (52, 2472055), (65, 1977644), (68, 1890395), (85, 1512316), (127, 1012180), (130, 988822), (170, 756158), (221, 581660), (229, 561340), (254, 506090), (260, 494411), (340, 378079), (442, 290830), (458, 280670), (508, 253045), (635, 202436), (884, 145415), (916, 140335), (1105, 116332), (1145, 112268), (1270, 101218), (1651, 77860), (2159, 59540), (2210, 58166), (2290, 56134), (2540, 50609), (2977, 43180), (3302, 38930), (3893, 33020), (4318, 29770), (4420, 29083), (4580, 28067), (5954, 21590), (6604, 19465), (7786, 16510), (8255, 15572), (8636, 14885), (10795, 11908)]