87849880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 225348480

約数和(自身を除く): 137498600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 41, 46, 68, 82, 85, 92, 115, 136, 137, 164, 170, 184, 205, 230, 274, 328, 340, 391, 410, 460, 548, 680, 685, 697, 782, 820, 920, 943, 1096, 1370, 1394, 1564, 1640, 1886, 1955, 2329, 2740, 2788, 3128, 3151, 3485, 3772, 3910, 4658, 4715, 5480, 5576, 5617, 6302, 6970, 7544, 7820, 9316, 9430, 11234, 11645, 12604, 13940, 15640, 15755, 16031, 18632, 18860, 22468, 23290, 25208, 27880, 28085, 31510, 32062, 37720, 44936, 46580, 53567, 56170, 63020, 64124, 80155, 93160, 95489, 107134, 112340, 126040, 128248, 129191, 160310, 190978, 214268, 224680, 258382, 267835, 320620, 381956, 428536, 477445, 516764, 535670, 641240, 645955, 763912, 954890, 1033528, 1071340, 1291910, 1909780, 2142680, 2196247, 2583820, 3819560, 4392494, 5167640, 8784988, 10981235, 17569976, 21962470, 43924940, 87849880]

約数ペア:

[(1, 87849880), (2, 43924940), (4, 21962470), (5, 17569976), (8, 10981235), (10, 8784988), (17, 5167640), (20, 4392494), (23, 3819560), (34, 2583820), (40, 2196247), (41, 2142680), (46, 1909780), (68, 1291910), (82, 1071340), (85, 1033528), (92, 954890), (115, 763912), (136, 645955), (137, 641240), (164, 535670), (170, 516764), (184, 477445), (205, 428536), (230, 381956), (274, 320620), (328, 267835), (340, 258382), (391, 224680), (410, 214268), (460, 190978), (548, 160310), (680, 129191), (685, 128248), (697, 126040), (782, 112340), (820, 107134), (920, 95489), (943, 93160), (1096, 80155), (1370, 64124), (1394, 63020), (1564, 56170), (1640, 53567), (1886, 46580), (1955, 44936), (2329, 37720), (2740, 32062), (2788, 31510), (3128, 28085), (3151, 27880), (3485, 25208), (3772, 23290), (3910, 22468), (4658, 18860), (4715, 18632), (5480, 16031), (5576, 15755), (5617, 15640), (6302, 13940), (6970, 12604), (7544, 11645), (7820, 11234), (9316, 9430)]