78415680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{1667}}^1$

素因数の和:1701

約数の個数: 168

約数和(自身を含む): 289791648

約数和(自身を除く): 211375968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1667, 1680, 1960, 2240, 2352, 2940, 3136, 3334, 3360, 3920, 4704, 5001, 5880, 6668, 6720, 7840, 8335, 9408, 10002, 11669, 11760, 13336, 15680, 16670, 20004, 23338, 23520, 25005, 26672, 33340, 35007, 40008, 46676, 47040, 50010, 53344, 58345, 66680, 70014, 80016, 81683, 93352, 100020, 106688, 116690, 133360, 140028, 160032, 163366, 175035, 186704, 200040, 233380, 245049, 266720, 280056, 320064, 326732, 350070, 373408, 400080, 408415, 466760, 490098, 533440, 560112, 653464, 700140, 746816, 800160, 816830, 933520, 980196, 1120224, 1225245, 1306928, 1400280, 1600320, 1633660, 1867040, 1960392, 2240448, 2450490, 2613856, 2800560, 3267320, 3734080, 3920784, 4900980, 5227712, 5601120, 6534640, 7841568, 9801960, 11202240, 13069280, 15683136, 19603920, 26138560, 39207840, 78415680]

約数ペア:

[(1, 78415680), (2, 39207840), (3, 26138560), (4, 19603920), (5, 15683136), (6, 13069280), (7, 11202240), (8, 9801960), (10, 7841568), (12, 6534640), (14, 5601120), (15, 5227712), (16, 4900980), (20, 3920784), (21, 3734080), (24, 3267320), (28, 2800560), (30, 2613856), (32, 2450490), (35, 2240448), (40, 1960392), (42, 1867040), (48, 1633660), (49, 1600320), (56, 1400280), (60, 1306928), (64, 1225245), (70, 1120224), (80, 980196), (84, 933520), (96, 816830), (98, 800160), (105, 746816), (112, 700140), (120, 653464), (140, 560112), (147, 533440), (160, 490098), (168, 466760), (192, 408415), (196, 400080), (210, 373408), (224, 350070), (240, 326732), (245, 320064), (280, 280056), (294, 266720), (320, 245049), (336, 233380), (392, 200040), (420, 186704), (448, 175035), (480, 163366), (490, 160032), (560, 140028), (588, 133360), (672, 116690), (735, 106688), (784, 100020), (840, 93352), (960, 81683), (980, 80016), (1120, 70014), (1176, 66680), (1344, 58345), (1470, 53344), (1568, 50010), (1667, 47040), (1680, 46676), (1960, 40008), (2240, 35007), (2352, 33340), (2940, 26672), (3136, 25005), (3334, 23520), (3360, 23338), (3920, 20004), (4704, 16670), (5001, 15680), (5880, 13336), (6668, 11760), (6720, 11669), (7840, 10002), (8335, 9408)]