81760560

素因数分解:

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

素因数の和:1251

約数の個数: 160

約数和(自身を含む): 296980992

約数和(自身を除く): 215220432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 328, 336, 410, 420, 492, 560, 574, 615, 656, 820, 840, 861, 984, 1148, 1187, 1230, 1435, 1640, 1680, 1722, 1968, 2296, 2374, 2460, 2870, 3280, 3444, 3561, 4305, 4592, 4748, 4920, 5740, 5935, 6888, 7122, 8309, 8610, 9496, 9840, 11480, 11870, 13776, 14244, 16618, 17220, 17805, 18992, 22960, 23740, 24927, 28488, 33236, 34440, 35610, 41545, 47480, 48667, 49854, 56976, 66472, 68880, 71220, 83090, 94960, 97334, 99708, 124635, 132944, 142440, 146001, 166180, 194668, 199416, 243335, 249270, 284880, 292002, 332360, 340669, 389336, 398832, 486670, 498540, 584004, 664720, 681338, 730005, 778672, 973340, 997080, 1022007, 1168008, 1362676, 1460010, 1703345, 1946680, 1994160, 2044014, 2336016, 2725352, 2920020, 3406690, 3893360, 4088028, 5110035, 5450704, 5840040, 6813380, 8176056, 10220070, 11680080, 13626760, 16352112, 20440140, 27253520, 40880280, 81760560]

約数ペア:

[(1, 81760560), (2, 40880280), (3, 27253520), (4, 20440140), (5, 16352112), (6, 13626760), (7, 11680080), (8, 10220070), (10, 8176056), (12, 6813380), (14, 5840040), (15, 5450704), (16, 5110035), (20, 4088028), (21, 3893360), (24, 3406690), (28, 2920020), (30, 2725352), (35, 2336016), (40, 2044014), (41, 1994160), (42, 1946680), (48, 1703345), (56, 1460010), (60, 1362676), (70, 1168008), (80, 1022007), (82, 997080), (84, 973340), (105, 778672), (112, 730005), (120, 681338), (123, 664720), (140, 584004), (164, 498540), (168, 486670), (205, 398832), (210, 389336), (240, 340669), (246, 332360), (280, 292002), (287, 284880), (328, 249270), (336, 243335), (410, 199416), (420, 194668), (492, 166180), (560, 146001), (574, 142440), (615, 132944), (656, 124635), (820, 99708), (840, 97334), (861, 94960), (984, 83090), (1148, 71220), (1187, 68880), (1230, 66472), (1435, 56976), (1640, 49854), (1680, 48667), (1722, 47480), (1968, 41545), (2296, 35610), (2374, 34440), (2460, 33236), (2870, 28488), (3280, 24927), (3444, 23740), (3561, 22960), (4305, 18992), (4592, 17805), (4748, 17220), (4920, 16618), (5740, 14244), (5935, 13776), (6888, 11870), (7122, 11480), (8309, 9840), (8610, 9496)]