245281680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1254

約数の個数: 240

約数和(自身を含む): 965188224

約数和(自身を除く): 719906544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 48, 56, 60, 63, 70, 72, 80, 82, 84, 90, 105, 112, 120, 123, 126, 140, 144, 164, 168, 180, 205, 210, 240, 246, 252, 280, 287, 315, 328, 336, 360, 369, 410, 420, 492, 504, 560, 574, 615, 630, 656, 720, 738, 820, 840, 861, 984, 1008, 1148, 1187, 1230, 1260, 1435, 1476, 1640, 1680, 1722, 1845, 1968, 2296, 2374, 2460, 2520, 2583, 2870, 2952, 3280, 3444, 3561, 3690, 4305, 4592, 4748, 4920, 5040, 5166, 5740, 5904, 5935, 6888, 7122, 7380, 8309, 8610, 9496, 9840, 10332, 10683, 11480, 11870, 12915, 13776, 14244, 14760, 16618, 17220, 17805, 18992, 20664, 21366, 22960, 23740, 24927, 25830, 28488, 29520, 33236, 34440, 35610, 41328, 41545, 42732, 47480, 48667, 49854, 51660, 53415, 56976, 66472, 68880, 71220, 74781, 83090, 85464, 94960, 97334, 99708, 103320, 106830, 124635, 132944, 142440, 146001, 149562, 166180, 170928, 194668, 199416, 206640, 213660, 243335, 249270, 284880, 292002, 299124, 332360, 340669, 373905, 389336, 398832, 427320, 438003, 486670, 498540, 584004, 598248, 664720, 681338, 730005, 747810, 778672, 854640, 876006, 973340, 997080, 1022007, 1168008, 1196496, 1362676, 1460010, 1495620, 1703345, 1752012, 1946680, 1994160, 2044014, 2190015, 2336016, 2725352, 2920020, 2991240, 3066021, 3406690, 3504024, 3893360, 4088028, 4380030, 5110035, 5450704, 5840040, 5982480, 6132042, 6813380, 7008048, 8176056, 8760060, 10220070, 11680080, 12264084, 13626760, 15330105, 16352112, 17520120, 20440140, 24528168, 27253520, 30660210, 35040240, 40880280, 49056336, 61320420, 81760560, 122640840, 245281680]

約数ペア:

[(1, 245281680), (2, 122640840), (3, 81760560), (4, 61320420), (5, 49056336), (6, 40880280), (7, 35040240), (8, 30660210), (9, 27253520), (10, 24528168), (12, 20440140), (14, 17520120), (15, 16352112), (16, 15330105), (18, 13626760), (20, 12264084), (21, 11680080), (24, 10220070), (28, 8760060), (30, 8176056), (35, 7008048), (36, 6813380), (40, 6132042), (41, 5982480), (42, 5840040), (45, 5450704), (48, 5110035), (56, 4380030), (60, 4088028), (63, 3893360), (70, 3504024), (72, 3406690), (80, 3066021), (82, 2991240), (84, 2920020), (90, 2725352), (105, 2336016), (112, 2190015), (120, 2044014), (123, 1994160), (126, 1946680), (140, 1752012), (144, 1703345), (164, 1495620), (168, 1460010), (180, 1362676), (205, 1196496), (210, 1168008), (240, 1022007), (246, 997080), (252, 973340), (280, 876006), (287, 854640), (315, 778672), (328, 747810), (336, 730005), (360, 681338), (369, 664720), (410, 598248), (420, 584004), (492, 498540), (504, 486670), (560, 438003), (574, 427320), (615, 398832), (630, 389336), (656, 373905), (720, 340669), (738, 332360), (820, 299124), (840, 292002), (861, 284880), (984, 249270), (1008, 243335), (1148, 213660), (1187, 206640), (1230, 199416), (1260, 194668), (1435, 170928), (1476, 166180), (1640, 149562), (1680, 146001), (1722, 142440), (1845, 132944), (1968, 124635), (2296, 106830), (2374, 103320), (2460, 99708), (2520, 97334), (2583, 94960), (2870, 85464), (2952, 83090), (3280, 74781), (3444, 71220), (3561, 68880), (3690, 66472), (4305, 56976), (4592, 53415), (4748, 51660), (4920, 49854), (5040, 48667), (5166, 47480), (5740, 42732), (5904, 41545), (5935, 41328), (6888, 35610), (7122, 34440), (7380, 33236), (8309, 29520), (8610, 28488), (9496, 25830), (9840, 24927), (10332, 23740), (10683, 22960), (11480, 21366), (11870, 20664), (12915, 18992), (13776, 17805), (14244, 17220), (14760, 16618)]