78067920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1553

約数の個数: 160

約数和(自身を含む): 285696000

約数和(自身を除く): 207628080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1499, 1680, 1736, 1860, 2170, 2480, 2604, 2998, 3255, 3472, 3720, 4340, 4497, 5208, 5996, 6510, 7440, 7495, 8680, 8994, 10416, 10493, 11992, 13020, 14990, 17360, 17988, 20986, 22485, 23984, 26040, 29980, 31479, 35976, 41972, 44970, 46469, 52080, 52465, 59960, 62958, 71952, 83944, 89940, 92938, 104930, 119920, 125916, 139407, 157395, 167888, 179880, 185876, 209860, 232345, 251832, 278814, 314790, 325283, 359760, 371752, 419720, 464690, 503664, 557628, 629580, 650566, 697035, 743504, 839440, 929380, 975849, 1115256, 1259160, 1301132, 1394070, 1626415, 1858760, 1951698, 2230512, 2518320, 2602264, 2788140, 3252830, 3717520, 3903396, 4879245, 5204528, 5576280, 6505660, 7806792, 9758490, 11152560, 13011320, 15613584, 19516980, 26022640, 39033960, 78067920]

約数ペア:

[(1, 78067920), (2, 39033960), (3, 26022640), (4, 19516980), (5, 15613584), (6, 13011320), (7, 11152560), (8, 9758490), (10, 7806792), (12, 6505660), (14, 5576280), (15, 5204528), (16, 4879245), (20, 3903396), (21, 3717520), (24, 3252830), (28, 2788140), (30, 2602264), (31, 2518320), (35, 2230512), (40, 1951698), (42, 1858760), (48, 1626415), (56, 1394070), (60, 1301132), (62, 1259160), (70, 1115256), (80, 975849), (84, 929380), (93, 839440), (105, 743504), (112, 697035), (120, 650566), (124, 629580), (140, 557628), (155, 503664), (168, 464690), (186, 419720), (210, 371752), (217, 359760), (240, 325283), (248, 314790), (280, 278814), (310, 251832), (336, 232345), (372, 209860), (420, 185876), (434, 179880), (465, 167888), (496, 157395), (560, 139407), (620, 125916), (651, 119920), (744, 104930), (840, 92938), (868, 89940), (930, 83944), (1085, 71952), (1240, 62958), (1302, 59960), (1488, 52465), (1499, 52080), (1680, 46469), (1736, 44970), (1860, 41972), (2170, 35976), (2480, 31479), (2604, 29980), (2998, 26040), (3255, 23984), (3472, 22485), (3720, 20986), (4340, 17988), (4497, 17360), (5208, 14990), (5996, 13020), (6510, 11992), (7440, 10493), (7495, 10416), (8680, 8994)]