80377320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 254010240

約数和(自身を除く): 173632920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 172, 185, 215, 222, 258, 296, 344, 370, 421, 430, 444, 516, 555, 645, 740, 842, 860, 888, 1032, 1110, 1263, 1290, 1480, 1591, 1684, 1720, 2105, 2220, 2526, 2580, 3182, 3368, 4210, 4440, 4773, 5052, 5160, 6315, 6364, 7955, 8420, 9546, 10104, 12630, 12728, 15577, 15910, 16840, 18103, 19092, 23865, 25260, 31154, 31820, 36206, 38184, 46731, 47730, 50520, 54309, 62308, 63640, 72412, 77885, 90515, 93462, 95460, 108618, 124616, 144824, 155770, 181030, 186924, 190920, 217236, 233655, 271545, 311540, 362060, 373848, 434472, 467310, 543090, 623080, 669811, 724120, 934620, 1086180, 1339622, 1869240, 2009433, 2172360, 2679244, 3349055, 4018866, 5358488, 6698110, 8037732, 10047165, 13396220, 16075464, 20094330, 26792440, 40188660, 80377320]

約数ペア:

[(1, 80377320), (2, 40188660), (3, 26792440), (4, 20094330), (5, 16075464), (6, 13396220), (8, 10047165), (10, 8037732), (12, 6698110), (15, 5358488), (20, 4018866), (24, 3349055), (30, 2679244), (37, 2172360), (40, 2009433), (43, 1869240), (60, 1339622), (74, 1086180), (86, 934620), (111, 724120), (120, 669811), (129, 623080), (148, 543090), (172, 467310), (185, 434472), (215, 373848), (222, 362060), (258, 311540), (296, 271545), (344, 233655), (370, 217236), (421, 190920), (430, 186924), (444, 181030), (516, 155770), (555, 144824), (645, 124616), (740, 108618), (842, 95460), (860, 93462), (888, 90515), (1032, 77885), (1110, 72412), (1263, 63640), (1290, 62308), (1480, 54309), (1591, 50520), (1684, 47730), (1720, 46731), (2105, 38184), (2220, 36206), (2526, 31820), (2580, 31154), (3182, 25260), (3368, 23865), (4210, 19092), (4440, 18103), (4773, 16840), (5052, 15910), (5160, 15577), (6315, 12728), (6364, 12630), (7955, 10104), (8420, 9546)]