640295360

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1414

約数の個数: 112

約数和(自身を含む): 1605320640

約数和(自身を除く): 965025280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 64, 74, 80, 82, 148, 160, 164, 185, 205, 296, 320, 328, 370, 410, 592, 656, 740, 820, 1184, 1312, 1319, 1480, 1517, 1640, 2368, 2624, 2638, 2960, 3034, 3280, 5276, 5920, 6068, 6560, 6595, 7585, 10552, 11840, 12136, 13120, 13190, 15170, 21104, 24272, 26380, 30340, 42208, 48544, 48803, 52760, 54079, 60680, 84416, 97088, 97606, 105520, 108158, 121360, 195212, 211040, 216316, 242720, 244015, 270395, 390424, 422080, 432632, 485440, 488030, 540790, 780848, 865264, 976060, 1081580, 1561696, 1730528, 1952120, 2000923, 2163160, 3123392, 3461056, 3904240, 4001846, 4326320, 7808480, 8003692, 8652640, 10004615, 15616960, 16007384, 17305280, 20009230, 32014768, 40018460, 64029536, 80036920, 128059072, 160073840, 320147680, 640295360]

約数ペア:

[(1, 640295360), (2, 320147680), (4, 160073840), (5, 128059072), (8, 80036920), (10, 64029536), (16, 40018460), (20, 32014768), (32, 20009230), (37, 17305280), (40, 16007384), (41, 15616960), (64, 10004615), (74, 8652640), (80, 8003692), (82, 7808480), (148, 4326320), (160, 4001846), (164, 3904240), (185, 3461056), (205, 3123392), (296, 2163160), (320, 2000923), (328, 1952120), (370, 1730528), (410, 1561696), (592, 1081580), (656, 976060), (740, 865264), (820, 780848), (1184, 540790), (1312, 488030), (1319, 485440), (1480, 432632), (1517, 422080), (1640, 390424), (2368, 270395), (2624, 244015), (2638, 242720), (2960, 216316), (3034, 211040), (3280, 195212), (5276, 121360), (5920, 108158), (6068, 105520), (6560, 97606), (6595, 97088), (7585, 84416), (10552, 60680), (11840, 54079), (12136, 52760), (13120, 48803), (13190, 48544), (15170, 42208), (21104, 30340), (24272, 26380)]