31854540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 95510016

約数和(自身を除く): 63655476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 41, 46, 60, 69, 82, 92, 115, 123, 138, 164, 205, 230, 246, 276, 345, 410, 460, 492, 563, 615, 690, 820, 943, 1126, 1230, 1380, 1689, 1886, 2252, 2460, 2815, 2829, 3378, 3772, 4715, 5630, 5658, 6756, 8445, 9430, 11260, 11316, 12949, 14145, 16890, 18860, 23083, 25898, 28290, 33780, 38847, 46166, 51796, 56580, 64745, 69249, 77694, 92332, 115415, 129490, 138498, 155388, 194235, 230830, 258980, 276996, 346245, 388470, 461660, 530909, 692490, 776940, 1061818, 1384980, 1592727, 2123636, 2654545, 3185454, 5309090, 6370908, 7963635, 10618180, 15927270, 31854540]

約数ペア:

[(1, 31854540), (2, 15927270), (3, 10618180), (4, 7963635), (5, 6370908), (6, 5309090), (10, 3185454), (12, 2654545), (15, 2123636), (20, 1592727), (23, 1384980), (30, 1061818), (41, 776940), (46, 692490), (60, 530909), (69, 461660), (82, 388470), (92, 346245), (115, 276996), (123, 258980), (138, 230830), (164, 194235), (205, 155388), (230, 138498), (246, 129490), (276, 115415), (345, 92332), (410, 77694), (460, 69249), (492, 64745), (563, 56580), (615, 51796), (690, 46166), (820, 38847), (943, 33780), (1126, 28290), (1230, 25898), (1380, 23083), (1689, 18860), (1886, 16890), (2252, 14145), (2460, 12949), (2815, 11316), (2829, 11260), (3378, 9430), (3772, 8445), (4715, 6756), (5630, 5658)]