128718492

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 376911360

約数和(自身を除く): 248192868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 79, 84, 98, 102, 119, 147, 158, 163, 196, 204, 237, 238, 294, 316, 326, 357, 474, 476, 489, 553, 588, 652, 714, 833, 948, 978, 1106, 1141, 1343, 1428, 1659, 1666, 1956, 2212, 2282, 2499, 2686, 2771, 3318, 3332, 3423, 3871, 4029, 4564, 4998, 5372, 5542, 6636, 6846, 7742, 7987, 8058, 8313, 9401, 9996, 11084, 11613, 12877, 13692, 15484, 15974, 16116, 16626, 18802, 19397, 23226, 23961, 25754, 28203, 31948, 33252, 37604, 38631, 38794, 46452, 47922, 51508, 56406, 58191, 65807, 77262, 77588, 90139, 95844, 112812, 116382, 131614, 135779, 154524, 180278, 197421, 218909, 232764, 263228, 270417, 271558, 360556, 394842, 407337, 437818, 540834, 543116, 630973, 656727, 789684, 814674, 875636, 1081668, 1261946, 1313454, 1532363, 1629348, 1892919, 2523892, 2626908, 3064726, 3785838, 4597089, 6129452, 7571676, 9194178, 10726541, 18388356, 21453082, 32179623, 42906164, 64359246, 128718492]

約数ペア:

[(1, 128718492), (2, 64359246), (3, 42906164), (4, 32179623), (6, 21453082), (7, 18388356), (12, 10726541), (14, 9194178), (17, 7571676), (21, 6129452), (28, 4597089), (34, 3785838), (42, 3064726), (49, 2626908), (51, 2523892), (68, 1892919), (79, 1629348), (84, 1532363), (98, 1313454), (102, 1261946), (119, 1081668), (147, 875636), (158, 814674), (163, 789684), (196, 656727), (204, 630973), (237, 543116), (238, 540834), (294, 437818), (316, 407337), (326, 394842), (357, 360556), (474, 271558), (476, 270417), (489, 263228), (553, 232764), (588, 218909), (652, 197421), (714, 180278), (833, 154524), (948, 135779), (978, 131614), (1106, 116382), (1141, 112812), (1343, 95844), (1428, 90139), (1659, 77588), (1666, 77262), (1956, 65807), (2212, 58191), (2282, 56406), (2499, 51508), (2686, 47922), (2771, 46452), (3318, 38794), (3332, 38631), (3423, 37604), (3871, 33252), (4029, 31948), (4564, 28203), (4998, 25754), (5372, 23961), (5542, 23226), (6636, 19397), (6846, 18802), (7742, 16626), (7987, 16116), (8058, 15974), (8313, 15484), (9401, 13692), (9996, 12877), (11084, 11613)]