340775680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 947467584

約数和(自身を除く): 606691904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 365, 448, 511, 521, 560, 584, 640, 730, 896, 1022, 1042, 1120, 1168, 1280, 1460, 1792, 2044, 2084, 2240, 2336, 2555, 2605, 2920, 3647, 4088, 4168, 4480, 4672, 5110, 5210, 5840, 7294, 8176, 8336, 8960, 9344, 10220, 10420, 11680, 14588, 16352, 16672, 18235, 18688, 20440, 20840, 23360, 29176, 32704, 33344, 36470, 38033, 40880, 41680, 46720, 58352, 65408, 66688, 72940, 76066, 81760, 83360, 93440, 116704, 130816, 133376, 145880, 152132, 163520, 166720, 190165, 233408, 266231, 291760, 304264, 327040, 333440, 380330, 466816, 532462, 583520, 608528, 654080, 666880, 760660, 933632, 1064924, 1167040, 1217056, 1331155, 1521320, 2129848, 2334080, 2434112, 2662310, 3042640, 4259696, 4668160, 4868224, 5324620, 6085280, 8519392, 9736448, 10649240, 12170560, 17038784, 21298480, 24341120, 34077568, 42596960, 48682240, 68155136, 85193920, 170387840, 340775680]

約数ペア:

[(1, 340775680), (2, 170387840), (4, 85193920), (5, 68155136), (7, 48682240), (8, 42596960), (10, 34077568), (14, 24341120), (16, 21298480), (20, 17038784), (28, 12170560), (32, 10649240), (35, 9736448), (40, 8519392), (56, 6085280), (64, 5324620), (70, 4868224), (73, 4668160), (80, 4259696), (112, 3042640), (128, 2662310), (140, 2434112), (146, 2334080), (160, 2129848), (224, 1521320), (256, 1331155), (280, 1217056), (292, 1167040), (320, 1064924), (365, 933632), (448, 760660), (511, 666880), (521, 654080), (560, 608528), (584, 583520), (640, 532462), (730, 466816), (896, 380330), (1022, 333440), (1042, 327040), (1120, 304264), (1168, 291760), (1280, 266231), (1460, 233408), (1792, 190165), (2044, 166720), (2084, 163520), (2240, 152132), (2336, 145880), (2555, 133376), (2605, 130816), (2920, 116704), (3647, 93440), (4088, 83360), (4168, 81760), (4480, 76066), (4672, 72940), (5110, 66688), (5210, 65408), (5840, 58352), (7294, 46720), (8176, 41680), (8336, 40880), (8960, 38033), (9344, 36470), (10220, 33344), (10420, 32704), (11680, 29176), (14588, 23360), (16352, 20840), (16672, 20440), (18235, 18688)]