1373385720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:643

約数の個数: 256

約数和(自身を含む): 4892544000

約数和(自身を除く): 3519158280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 61, 70, 84, 98, 105, 120, 122, 140, 147, 168, 183, 196, 210, 244, 245, 280, 294, 305, 343, 366, 392, 420, 427, 488, 490, 547, 588, 610, 686, 732, 735, 840, 854, 915, 980, 1029, 1094, 1176, 1220, 1281, 1372, 1464, 1470, 1641, 1708, 1715, 1830, 1960, 2058, 2135, 2188, 2440, 2562, 2735, 2744, 2940, 2989, 3282, 3416, 3430, 3660, 3829, 4116, 4270, 4376, 5124, 5145, 5470, 5880, 5978, 6405, 6564, 6860, 7320, 7658, 8205, 8232, 8540, 8967, 10248, 10290, 10940, 11487, 11956, 12810, 13128, 13720, 14945, 15316, 16410, 17080, 17934, 19145, 20580, 20923, 21880, 22974, 23912, 25620, 26803, 29890, 30632, 32820, 33367, 35868, 38290, 41160, 41846, 44835, 45948, 51240, 53606, 57435, 59780, 62769, 65640, 66734, 71736, 76580, 80409, 83692, 89670, 91896, 100101, 104615, 107212, 114870, 119560, 125538, 133468, 134015, 153160, 160818, 166835, 167384, 179340, 187621, 200202, 209230, 214424, 229740, 233569, 251076, 266936, 268030, 313845, 321636, 333670, 358680, 375242, 400404, 402045, 418460, 459480, 467138, 500505, 502152, 536060, 562863, 627690, 643272, 667340, 700707, 750484, 800808, 804090, 836920, 934276, 938105, 1001010, 1072120, 1125726, 1167845, 1255380, 1334680, 1401414, 1500968, 1608180, 1634983, 1868552, 1876210, 2002020, 2251452, 2335690, 2510760, 2802828, 2814315, 3216360, 3269966, 3503535, 3752420, 4004040, 4502904, 4671380, 4904949, 5605656, 5628630, 6539932, 7007070, 7504840, 8174915, 9342760, 9809898, 11257260, 11444881, 13079864, 14014140, 16349830, 19619796, 22514520, 22889762, 24524745, 28028280, 32699660, 34334643, 39239592, 45779524, 49049490, 57224405, 65399320, 68669286, 91559048, 98098980, 114448810, 137338572, 171673215, 196197960, 228897620, 274677144, 343346430, 457795240, 686692860, 1373385720]

約数ペア:

[(1, 1373385720), (2, 686692860), (3, 457795240), (4, 343346430), (5, 274677144), (6, 228897620), (7, 196197960), (8, 171673215), (10, 137338572), (12, 114448810), (14, 98098980), (15, 91559048), (20, 68669286), (21, 65399320), (24, 57224405), (28, 49049490), (30, 45779524), (35, 39239592), (40, 34334643), (42, 32699660), (49, 28028280), (56, 24524745), (60, 22889762), (61, 22514520), (70, 19619796), (84, 16349830), (98, 14014140), (105, 13079864), (120, 11444881), (122, 11257260), (140, 9809898), (147, 9342760), (168, 8174915), (183, 7504840), (196, 7007070), (210, 6539932), (244, 5628630), (245, 5605656), (280, 4904949), (294, 4671380), (305, 4502904), (343, 4004040), (366, 3752420), (392, 3503535), (420, 3269966), (427, 3216360), (488, 2814315), (490, 2802828), (547, 2510760), (588, 2335690), (610, 2251452), (686, 2002020), (732, 1876210), (735, 1868552), (840, 1634983), (854, 1608180), (915, 1500968), (980, 1401414), (1029, 1334680), (1094, 1255380), (1176, 1167845), (1220, 1125726), (1281, 1072120), (1372, 1001010), (1464, 938105), (1470, 934276), (1641, 836920), (1708, 804090), (1715, 800808), (1830, 750484), (1960, 700707), (2058, 667340), (2135, 643272), (2188, 627690), (2440, 562863), (2562, 536060), (2735, 502152), (2744, 500505), (2940, 467138), (2989, 459480), (3282, 418460), (3416, 402045), (3430, 400404), (3660, 375242), (3829, 358680), (4116, 333670), (4270, 321636), (4376, 313845), (5124, 268030), (5145, 266936), (5470, 251076), (5880, 233569), (5978, 229740), (6405, 214424), (6564, 209230), (6860, 200202), (7320, 187621), (7658, 179340), (8205, 167384), (8232, 166835), (8540, 160818), (8967, 153160), (10248, 134015), (10290, 133468), (10940, 125538), (11487, 119560), (11956, 114870), (12810, 107212), (13128, 104615), (13720, 100101), (14945, 91896), (15316, 89670), (16410, 83692), (17080, 80409), (17934, 76580), (19145, 71736), (20580, 66734), (20923, 65640), (21880, 62769), (22974, 59780), (23912, 57435), (25620, 53606), (26803, 51240), (29890, 45948), (30632, 44835), (32820, 41846), (33367, 41160), (35868, 38290)]