127709820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1283}}^1$

素因数の和:1384

約数の個数: 144

約数和(自身を含む): 448680960

約数和(自身を除く): 320971140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1283, 1422, 1580, 1659, 2212, 2370, 2566, 2765, 2844, 3318, 3555, 3849, 4740, 4977, 5132, 5530, 6415, 6636, 7110, 7698, 8295, 8981, 9954, 11060, 11547, 12830, 14220, 15396, 16590, 17962, 19245, 19908, 23094, 24885, 25660, 26943, 33180, 35924, 38490, 44905, 46188, 49770, 53886, 57735, 76980, 80829, 89810, 99540, 101357, 107772, 115470, 134715, 161658, 179620, 202714, 230940, 269430, 304071, 323316, 404145, 405428, 506785, 538860, 608142, 709499, 808290, 912213, 1013570, 1216284, 1418998, 1520355, 1616580, 1824426, 2027140, 2128497, 2837996, 3040710, 3547495, 3648852, 4256994, 4561065, 6081420, 6385491, 7094990, 8513988, 9122130, 10642485, 12770982, 14189980, 18244260, 21284970, 25541964, 31927455, 42569940, 63854910, 127709820]

約数ペア:

[(1, 127709820), (2, 63854910), (3, 42569940), (4, 31927455), (5, 25541964), (6, 21284970), (7, 18244260), (9, 14189980), (10, 12770982), (12, 10642485), (14, 9122130), (15, 8513988), (18, 7094990), (20, 6385491), (21, 6081420), (28, 4561065), (30, 4256994), (35, 3648852), (36, 3547495), (42, 3040710), (45, 2837996), (60, 2128497), (63, 2027140), (70, 1824426), (79, 1616580), (84, 1520355), (90, 1418998), (105, 1216284), (126, 1013570), (140, 912213), (158, 808290), (180, 709499), (210, 608142), (237, 538860), (252, 506785), (315, 405428), (316, 404145), (395, 323316), (420, 304071), (474, 269430), (553, 230940), (630, 202714), (711, 179620), (790, 161658), (948, 134715), (1106, 115470), (1185, 107772), (1260, 101357), (1283, 99540), (1422, 89810), (1580, 80829), (1659, 76980), (2212, 57735), (2370, 53886), (2566, 49770), (2765, 46188), (2844, 44905), (3318, 38490), (3555, 35924), (3849, 33180), (4740, 26943), (4977, 25660), (5132, 24885), (5530, 23094), (6415, 19908), (6636, 19245), (7110, 17962), (7698, 16590), (8295, 15396), (8981, 14220), (9954, 12830), (11060, 11547)]