291477480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2656

約数の個数: 192

約数和(自身を含む): 1071144000

約数和(自身を除く): 779666520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 380, 392, 399, 420, 456, 490, 532, 570, 588, 665, 735, 760, 798, 840, 931, 980, 1064, 1140, 1176, 1330, 1470, 1596, 1862, 1960, 1995, 2280, 2609, 2660, 2793, 2940, 3192, 3724, 3990, 4655, 5218, 5320, 5586, 5880, 7448, 7827, 7980, 9310, 10436, 11172, 13045, 13965, 15654, 15960, 18263, 18620, 20872, 22344, 26090, 27930, 31308, 36526, 37240, 39135, 49571, 52180, 54789, 55860, 62616, 73052, 78270, 91315, 99142, 104360, 109578, 111720, 127841, 146104, 148713, 156540, 182630, 198284, 219156, 247855, 255682, 273945, 297426, 313080, 346997, 365260, 383523, 396568, 438312, 495710, 511364, 547890, 594852, 639205, 693994, 730520, 743565, 767046, 991420, 1022728, 1040991, 1095780, 1189704, 1278410, 1387988, 1487130, 1534092, 1734985, 1917615, 1982840, 2081982, 2191560, 2428979, 2556820, 2775976, 2974260, 3068184, 3469970, 3835230, 4163964, 4857958, 5113640, 5204955, 5948520, 6939940, 7286937, 7670460, 8327928, 9715916, 10409910, 12144895, 13879880, 14573874, 15340920, 19431832, 20819820, 24289790, 29147748, 36434685, 41639640, 48579580, 58295496, 72869370, 97159160, 145738740, 291477480]

約数ペア:

[(1, 291477480), (2, 145738740), (3, 97159160), (4, 72869370), (5, 58295496), (6, 48579580), (7, 41639640), (8, 36434685), (10, 29147748), (12, 24289790), (14, 20819820), (15, 19431832), (19, 15340920), (20, 14573874), (21, 13879880), (24, 12144895), (28, 10409910), (30, 9715916), (35, 8327928), (38, 7670460), (40, 7286937), (42, 6939940), (49, 5948520), (56, 5204955), (57, 5113640), (60, 4857958), (70, 4163964), (76, 3835230), (84, 3469970), (95, 3068184), (98, 2974260), (105, 2775976), (114, 2556820), (120, 2428979), (133, 2191560), (140, 2081982), (147, 1982840), (152, 1917615), (168, 1734985), (190, 1534092), (196, 1487130), (210, 1387988), (228, 1278410), (245, 1189704), (266, 1095780), (280, 1040991), (285, 1022728), (294, 991420), (380, 767046), (392, 743565), (399, 730520), (420, 693994), (456, 639205), (490, 594852), (532, 547890), (570, 511364), (588, 495710), (665, 438312), (735, 396568), (760, 383523), (798, 365260), (840, 346997), (931, 313080), (980, 297426), (1064, 273945), (1140, 255682), (1176, 247855), (1330, 219156), (1470, 198284), (1596, 182630), (1862, 156540), (1960, 148713), (1995, 146104), (2280, 127841), (2609, 111720), (2660, 109578), (2793, 104360), (2940, 99142), (3192, 91315), (3724, 78270), (3990, 73052), (4655, 62616), (5218, 55860), (5320, 54789), (5586, 52180), (5880, 49571), (7448, 39135), (7827, 37240), (7980, 36526), (9310, 31308), (10436, 27930), (11172, 26090), (13045, 22344), (13965, 20872), (15654, 18620), (15960, 18263)]