51080240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 133303968

約数和(自身を除く): 82223728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 71, 80, 85, 92, 115, 136, 142, 170, 184, 230, 272, 284, 340, 355, 368, 391, 460, 529, 568, 680, 710, 782, 920, 1058, 1136, 1207, 1360, 1420, 1564, 1633, 1840, 1955, 2116, 2414, 2645, 2840, 3128, 3266, 3910, 4232, 4828, 5290, 5680, 6035, 6256, 6532, 7820, 8165, 8464, 8993, 9656, 10580, 12070, 13064, 15640, 16330, 17986, 19312, 21160, 24140, 26128, 27761, 31280, 32660, 35972, 37559, 42320, 44965, 48280, 55522, 65320, 71944, 75118, 89930, 96560, 111044, 130640, 138805, 143888, 150236, 179860, 187795, 222088, 277610, 300472, 359720, 375590, 444176, 555220, 600944, 638503, 719440, 751180, 1110440, 1277006, 1502360, 2220880, 2554012, 3004720, 3192515, 5108024, 6385030, 10216048, 12770060, 25540120, 51080240]

約数ペア:

[(1, 51080240), (2, 25540120), (4, 12770060), (5, 10216048), (8, 6385030), (10, 5108024), (16, 3192515), (17, 3004720), (20, 2554012), (23, 2220880), (34, 1502360), (40, 1277006), (46, 1110440), (68, 751180), (71, 719440), (80, 638503), (85, 600944), (92, 555220), (115, 444176), (136, 375590), (142, 359720), (170, 300472), (184, 277610), (230, 222088), (272, 187795), (284, 179860), (340, 150236), (355, 143888), (368, 138805), (391, 130640), (460, 111044), (529, 96560), (568, 89930), (680, 75118), (710, 71944), (782, 65320), (920, 55522), (1058, 48280), (1136, 44965), (1207, 42320), (1360, 37559), (1420, 35972), (1564, 32660), (1633, 31280), (1840, 27761), (1955, 26128), (2116, 24140), (2414, 21160), (2645, 19312), (2840, 17986), (3128, 16330), (3266, 15640), (3910, 13064), (4232, 12070), (4828, 10580), (5290, 9656), (5680, 8993), (6035, 8464), (6256, 8165), (6532, 7820)]