128590240

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 96

約数和(自身を含む): 321584256

約数和(自身を除く): 192994016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 83, 92, 115, 160, 166, 184, 230, 332, 368, 415, 421, 460, 664, 736, 830, 842, 920, 1328, 1660, 1684, 1840, 1909, 2105, 2656, 3320, 3368, 3680, 3818, 4210, 6640, 6736, 7636, 8420, 9545, 9683, 13280, 13472, 15272, 16840, 19090, 19366, 30544, 33680, 34943, 38180, 38732, 48415, 61088, 67360, 69886, 76360, 77464, 96830, 139772, 152720, 154928, 174715, 193660, 279544, 305440, 309856, 349430, 387320, 559088, 698860, 774640, 803689, 1118176, 1397720, 1549280, 1607378, 2795440, 3214756, 4018445, 5590880, 6429512, 8036890, 12859024, 16073780, 25718048, 32147560, 64295120, 128590240]

約数ペア:

[(1, 128590240), (2, 64295120), (4, 32147560), (5, 25718048), (8, 16073780), (10, 12859024), (16, 8036890), (20, 6429512), (23, 5590880), (32, 4018445), (40, 3214756), (46, 2795440), (80, 1607378), (83, 1549280), (92, 1397720), (115, 1118176), (160, 803689), (166, 774640), (184, 698860), (230, 559088), (332, 387320), (368, 349430), (415, 309856), (421, 305440), (460, 279544), (664, 193660), (736, 174715), (830, 154928), (842, 152720), (920, 139772), (1328, 96830), (1660, 77464), (1684, 76360), (1840, 69886), (1909, 67360), (2105, 61088), (2656, 48415), (3320, 38732), (3368, 38180), (3680, 34943), (3818, 33680), (4210, 30544), (6640, 19366), (6736, 19090), (7636, 16840), (8420, 15272), (9545, 13472), (9683, 13280)]