65494880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 144

約数和(自身を含む): 180986400

約数和(自身を除く): 115491520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 160, 170, 176, 187, 199, 220, 242, 272, 340, 352, 374, 398, 440, 484, 544, 605, 680, 748, 796, 880, 935, 968, 995, 1210, 1360, 1496, 1592, 1760, 1870, 1936, 1990, 2057, 2189, 2420, 2720, 2992, 3184, 3383, 3740, 3872, 3980, 4114, 4378, 4840, 5984, 6368, 6766, 7480, 7960, 8228, 8756, 9680, 10285, 10945, 13532, 14960, 15920, 16456, 16915, 17512, 19360, 20570, 21890, 24079, 27064, 29920, 31840, 32912, 33830, 35024, 37213, 41140, 43780, 48158, 54128, 65824, 67660, 70048, 74426, 82280, 87560, 96316, 108256, 120395, 135320, 148852, 164560, 175120, 186065, 192632, 240790, 270640, 297704, 329120, 350240, 372130, 385264, 409343, 481580, 541280, 595408, 744260, 770528, 818686, 963160, 1190816, 1488520, 1637372, 1926320, 2046715, 2977040, 3274744, 3852640, 4093430, 5954080, 6549488, 8186860, 13098976, 16373720, 32747440, 65494880]

約数ペア:

[(1, 65494880), (2, 32747440), (4, 16373720), (5, 13098976), (8, 8186860), (10, 6549488), (11, 5954080), (16, 4093430), (17, 3852640), (20, 3274744), (22, 2977040), (32, 2046715), (34, 1926320), (40, 1637372), (44, 1488520), (55, 1190816), (68, 963160), (80, 818686), (85, 770528), (88, 744260), (110, 595408), (121, 541280), (136, 481580), (160, 409343), (170, 385264), (176, 372130), (187, 350240), (199, 329120), (220, 297704), (242, 270640), (272, 240790), (340, 192632), (352, 186065), (374, 175120), (398, 164560), (440, 148852), (484, 135320), (544, 120395), (605, 108256), (680, 96316), (748, 87560), (796, 82280), (880, 74426), (935, 70048), (968, 67660), (995, 65824), (1210, 54128), (1360, 48158), (1496, 43780), (1592, 41140), (1760, 37213), (1870, 35024), (1936, 33830), (1990, 32912), (2057, 31840), (2189, 29920), (2420, 27064), (2720, 24079), (2992, 21890), (3184, 20570), (3383, 19360), (3740, 17512), (3872, 16915), (3980, 16456), (4114, 15920), (4378, 14960), (4840, 13532), (5984, 10945), (6368, 10285), (6766, 9680), (7480, 8756), (7960, 8228)]