257298720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1049}}^1$

素因数の和:1147

約数の個数: 192

約数和(自身を含む): 939859200

約数和(自身を除く): 682560480

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, 56, 60, 70, 73, 80, 84, 96, 105, 112, 120, 140, 146, 160, 168, 210, 219, 224, 240, 280, 292, 336, 365, 420, 438, 480, 511, 560, 584, 672, 730, 840, 876, 1022, 1049, 1095, 1120, 1168, 1460, 1533, 1680, 1752, 2044, 2098, 2190, 2336, 2555, 2920, 3066, 3147, 3360, 3504, 4088, 4196, 4380, 5110, 5245, 5840, 6132, 6294, 7008, 7343, 7665, 8176, 8392, 8760, 10220, 10490, 11680, 12264, 12588, 14686, 15330, 15735, 16352, 16784, 17520, 20440, 20980, 22029, 24528, 25176, 29372, 30660, 31470, 33568, 35040, 36715, 40880, 41960, 44058, 49056, 50352, 58744, 61320, 62940, 73430, 76577, 81760, 83920, 88116, 100704, 110145, 117488, 122640, 125880, 146860, 153154, 167840, 176232, 220290, 229731, 234976, 245280, 251760, 293720, 306308, 352464, 382885, 440580, 459462, 503520, 536039, 587440, 612616, 704928, 765770, 881160, 918924, 1072078, 1148655, 1174880, 1225232, 1531540, 1608117, 1762320, 1837848, 2144156, 2297310, 2450464, 2680195, 3063080, 3216234, 3524640, 3675696, 4288312, 4594620, 5360390, 6126160, 6432468, 7351392, 8040585, 8576624, 9189240, 10720780, 12252320, 12864936, 16081170, 17153248, 18378480, 21441560, 25729872, 32162340, 36756960, 42883120, 51459744, 64324680, 85766240, 128649360, 257298720]

約数ペア:

[(1, 257298720), (2, 128649360), (3, 85766240), (4, 64324680), (5, 51459744), (6, 42883120), (7, 36756960), (8, 32162340), (10, 25729872), (12, 21441560), (14, 18378480), (15, 17153248), (16, 16081170), (20, 12864936), (21, 12252320), (24, 10720780), (28, 9189240), (30, 8576624), (32, 8040585), (35, 7351392), (40, 6432468), (42, 6126160), (48, 5360390), (56, 4594620), (60, 4288312), (70, 3675696), (73, 3524640), (80, 3216234), (84, 3063080), (96, 2680195), (105, 2450464), (112, 2297310), (120, 2144156), (140, 1837848), (146, 1762320), (160, 1608117), (168, 1531540), (210, 1225232), (219, 1174880), (224, 1148655), (240, 1072078), (280, 918924), (292, 881160), (336, 765770), (365, 704928), (420, 612616), (438, 587440), (480, 536039), (511, 503520), (560, 459462), (584, 440580), (672, 382885), (730, 352464), (840, 306308), (876, 293720), (1022, 251760), (1049, 245280), (1095, 234976), (1120, 229731), (1168, 220290), (1460, 176232), (1533, 167840), (1680, 153154), (1752, 146860), (2044, 125880), (2098, 122640), (2190, 117488), (2336, 110145), (2555, 100704), (2920, 88116), (3066, 83920), (3147, 81760), (3360, 76577), (3504, 73430), (4088, 62940), (4196, 61320), (4380, 58744), (5110, 50352), (5245, 49056), (5840, 44058), (6132, 41960), (6294, 40880), (7008, 36715), (7343, 35040), (7665, 33568), (8176, 31470), (8392, 30660), (8760, 29372), (10220, 25176), (10490, 24528), (11680, 22029), (12264, 20980), (12588, 20440), (14686, 17520), (15330, 16784), (15735, 16352)]