157721004

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 475675200

約数和(自身を除く): 317954196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 53, 63, 84, 98, 106, 126, 147, 159, 196, 212, 241, 252, 294, 318, 343, 371, 441, 477, 482, 588, 636, 686, 723, 742, 882, 954, 964, 1029, 1113, 1372, 1446, 1484, 1687, 1764, 1908, 2058, 2169, 2226, 2597, 2892, 3087, 3339, 3374, 4116, 4338, 4452, 5061, 5194, 6174, 6678, 6748, 7791, 8676, 10122, 10388, 11809, 12348, 12773, 13356, 15183, 15582, 18179, 20244, 23373, 23618, 25546, 30366, 31164, 35427, 36358, 38319, 46746, 47236, 51092, 54537, 60732, 70854, 72716, 76638, 82663, 89411, 93492, 106281, 109074, 114957, 141708, 153276, 163611, 165326, 178822, 212562, 218148, 229914, 247989, 268233, 327222, 330652, 357644, 425124, 459828, 495978, 536466, 625877, 654444, 743967, 804699, 991956, 1072932, 1251754, 1487934, 1609398, 1877631, 2503508, 2975868, 3218796, 3755262, 4381139, 5632893, 7510524, 8762278, 11265786, 13143417, 17524556, 22531572, 26286834, 39430251, 52573668, 78860502, 157721004]

約数ペア:

[(1, 157721004), (2, 78860502), (3, 52573668), (4, 39430251), (6, 26286834), (7, 22531572), (9, 17524556), (12, 13143417), (14, 11265786), (18, 8762278), (21, 7510524), (28, 5632893), (36, 4381139), (42, 3755262), (49, 3218796), (53, 2975868), (63, 2503508), (84, 1877631), (98, 1609398), (106, 1487934), (126, 1251754), (147, 1072932), (159, 991956), (196, 804699), (212, 743967), (241, 654444), (252, 625877), (294, 536466), (318, 495978), (343, 459828), (371, 425124), (441, 357644), (477, 330652), (482, 327222), (588, 268233), (636, 247989), (686, 229914), (723, 218148), (742, 212562), (882, 178822), (954, 165326), (964, 163611), (1029, 153276), (1113, 141708), (1372, 114957), (1446, 109074), (1484, 106281), (1687, 93492), (1764, 89411), (1908, 82663), (2058, 76638), (2169, 72716), (2226, 70854), (2597, 60732), (2892, 54537), (3087, 51092), (3339, 47236), (3374, 46746), (4116, 38319), (4338, 36358), (4452, 35427), (5061, 31164), (5194, 30366), (6174, 25546), (6678, 23618), (6748, 23373), (7791, 20244), (8676, 18179), (10122, 15582), (10388, 15183), (11809, 13356), (12348, 12773)]