123702880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 362517120

約数和(自身を除く): 238814240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 73, 80, 85, 89, 112, 119, 136, 140, 146, 160, 170, 178, 224, 238, 272, 280, 292, 340, 356, 365, 445, 476, 511, 544, 560, 584, 595, 623, 680, 712, 730, 890, 952, 1022, 1120, 1168, 1190, 1241, 1246, 1360, 1424, 1460, 1513, 1780, 1904, 2044, 2336, 2380, 2482, 2492, 2555, 2720, 2848, 2920, 3026, 3115, 3560, 3808, 4088, 4760, 4964, 4984, 5110, 5840, 6052, 6205, 6230, 6497, 7120, 7565, 8176, 8687, 9520, 9928, 9968, 10220, 10591, 11680, 12104, 12410, 12460, 12994, 14240, 15130, 16352, 17374, 19040, 19856, 19936, 20440, 21182, 24208, 24820, 24920, 25988, 30260, 32485, 34748, 39712, 40880, 42364, 43435, 45479, 48416, 49640, 49840, 51976, 52955, 60520, 64970, 69496, 81760, 84728, 86870, 90958, 99280, 99680, 103952, 105910, 110449, 121040, 129940, 138992, 169456, 173740, 181916, 198560, 207904, 211820, 220898, 227395, 242080, 259880, 277984, 338912, 347480, 363832, 423640, 441796, 454790, 519760, 552245, 694960, 727664, 773143, 847280, 883592, 909580, 1039520, 1104490, 1389920, 1455328, 1546286, 1694560, 1767184, 1819160, 2208980, 3092572, 3534368, 3638320, 3865715, 4417960, 6185144, 7276640, 7731430, 8835920, 12370288, 15462860, 17671840, 24740576, 30925720, 61851440, 123702880]

約数ペア:

[(1, 123702880), (2, 61851440), (4, 30925720), (5, 24740576), (7, 17671840), (8, 15462860), (10, 12370288), (14, 8835920), (16, 7731430), (17, 7276640), (20, 6185144), (28, 4417960), (32, 3865715), (34, 3638320), (35, 3534368), (40, 3092572), (56, 2208980), (68, 1819160), (70, 1767184), (73, 1694560), (80, 1546286), (85, 1455328), (89, 1389920), (112, 1104490), (119, 1039520), (136, 909580), (140, 883592), (146, 847280), (160, 773143), (170, 727664), (178, 694960), (224, 552245), (238, 519760), (272, 454790), (280, 441796), (292, 423640), (340, 363832), (356, 347480), (365, 338912), (445, 277984), (476, 259880), (511, 242080), (544, 227395), (560, 220898), (584, 211820), (595, 207904), (623, 198560), (680, 181916), (712, 173740), (730, 169456), (890, 138992), (952, 129940), (1022, 121040), (1120, 110449), (1168, 105910), (1190, 103952), (1241, 99680), (1246, 99280), (1360, 90958), (1424, 86870), (1460, 84728), (1513, 81760), (1780, 69496), (1904, 64970), (2044, 60520), (2336, 52955), (2380, 51976), (2482, 49840), (2492, 49640), (2555, 48416), (2720, 45479), (2848, 43435), (2920, 42364), (3026, 40880), (3115, 39712), (3560, 34748), (3808, 32485), (4088, 30260), (4760, 25988), (4964, 24920), (4984, 24820), (5110, 24208), (5840, 21182), (6052, 20440), (6205, 19936), (6230, 19856), (6497, 19040), (7120, 17374), (7565, 16352), (8176, 15130), (8687, 14240), (9520, 12994), (9928, 12460), (9968, 12410), (10220, 12104), (10591, 11680)]