65648440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:557

約数の個数: 128

約数和(自身を含む): 181440000

約数和(自身を除く): 115791560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 130, 143, 184, 220, 230, 253, 260, 286, 299, 440, 460, 499, 506, 520, 572, 598, 715, 920, 998, 1012, 1144, 1196, 1265, 1430, 1495, 1996, 2024, 2392, 2495, 2530, 2860, 2990, 3289, 3992, 4990, 5060, 5489, 5720, 5980, 6487, 6578, 9980, 10120, 10978, 11477, 11960, 12974, 13156, 16445, 19960, 21956, 22954, 25948, 26312, 27445, 32435, 32890, 43912, 45908, 51896, 54890, 57385, 64870, 65780, 71357, 91816, 109780, 114770, 126247, 129740, 131560, 142714, 149201, 219560, 229540, 252494, 259480, 285428, 298402, 356785, 459080, 504988, 570856, 596804, 631235, 713570, 746005, 1009976, 1193608, 1262470, 1427140, 1492010, 1641211, 2524940, 2854280, 2984020, 3282422, 5049880, 5968040, 6564844, 8206055, 13129688, 16412110, 32824220, 65648440]

約数ペア:

[(1, 65648440), (2, 32824220), (4, 16412110), (5, 13129688), (8, 8206055), (10, 6564844), (11, 5968040), (13, 5049880), (20, 3282422), (22, 2984020), (23, 2854280), (26, 2524940), (40, 1641211), (44, 1492010), (46, 1427140), (52, 1262470), (55, 1193608), (65, 1009976), (88, 746005), (92, 713570), (104, 631235), (110, 596804), (115, 570856), (130, 504988), (143, 459080), (184, 356785), (220, 298402), (230, 285428), (253, 259480), (260, 252494), (286, 229540), (299, 219560), (440, 149201), (460, 142714), (499, 131560), (506, 129740), (520, 126247), (572, 114770), (598, 109780), (715, 91816), (920, 71357), (998, 65780), (1012, 64870), (1144, 57385), (1196, 54890), (1265, 51896), (1430, 45908), (1495, 43912), (1996, 32890), (2024, 32435), (2392, 27445), (2495, 26312), (2530, 25948), (2860, 22954), (2990, 21956), (3289, 19960), (3992, 16445), (4990, 13156), (5060, 12974), (5489, 11960), (5720, 11477), (5980, 10978), (6487, 10120), (6578, 9980)]