1286471480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{683}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 3484357560

約数和(自身を除く): 2197886080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 620, 683, 868, 961, 980, 1085, 1240, 1366, 1519, 1736, 1922, 1960, 2170, 2732, 3038, 3415, 3844, 4340, 4781, 4805, 5464, 6076, 6727, 6830, 7595, 7688, 8680, 9562, 9610, 12152, 13454, 13660, 15190, 19124, 19220, 21173, 23905, 26908, 27320, 30380, 33467, 33635, 38248, 38440, 42346, 47089, 47810, 53816, 60760, 66934, 67270, 84692, 94178, 95620, 105865, 133868, 134540, 148211, 167335, 169384, 188356, 191240, 211730, 235445, 267736, 269080, 296422, 334670, 376712, 423460, 470890, 592844, 656363, 669340, 741055, 846920, 941780, 1037477, 1185688, 1312726, 1338680, 1482110, 1883560, 2074954, 2625452, 2964220, 3281815, 4149908, 4594541, 5187385, 5250904, 5928440, 6563630, 8299816, 9189082, 10374770, 13127260, 18378164, 20749540, 22972705, 26254520, 32161787, 36756328, 41499080, 45945410, 64323574, 91890820, 128647148, 160808935, 183781640, 257294296, 321617870, 643235740, 1286471480]

約数ペア:

[(1, 1286471480), (2, 643235740), (4, 321617870), (5, 257294296), (7, 183781640), (8, 160808935), (10, 128647148), (14, 91890820), (20, 64323574), (28, 45945410), (31, 41499080), (35, 36756328), (40, 32161787), (49, 26254520), (56, 22972705), (62, 20749540), (70, 18378164), (98, 13127260), (124, 10374770), (140, 9189082), (155, 8299816), (196, 6563630), (217, 5928440), (245, 5250904), (248, 5187385), (280, 4594541), (310, 4149908), (392, 3281815), (434, 2964220), (490, 2625452), (620, 2074954), (683, 1883560), (868, 1482110), (961, 1338680), (980, 1312726), (1085, 1185688), (1240, 1037477), (1366, 941780), (1519, 846920), (1736, 741055), (1922, 669340), (1960, 656363), (2170, 592844), (2732, 470890), (3038, 423460), (3415, 376712), (3844, 334670), (4340, 296422), (4781, 269080), (4805, 267736), (5464, 235445), (6076, 211730), (6727, 191240), (6830, 188356), (7595, 169384), (7688, 167335), (8680, 148211), (9562, 134540), (9610, 133868), (12152, 105865), (13454, 95620), (13660, 94178), (15190, 84692), (19124, 67270), (19220, 66934), (21173, 60760), (23905, 53816), (26908, 47810), (27320, 47089), (30380, 42346), (33467, 38440), (33635, 38248)]