212625280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1588

約数の個数: 128

約数和(自身を含む): 600053760

約数和(自身を除く): 387428480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1531, 1736, 1984, 2170, 2240, 2480, 3062, 3472, 3968, 4340, 4480, 4960, 6124, 6944, 7655, 8680, 9920, 10717, 12248, 13888, 15310, 17360, 19840, 21434, 24496, 27776, 30620, 34720, 42868, 47461, 48992, 53585, 61240, 69440, 85736, 94922, 97984, 107170, 122480, 138880, 171472, 189844, 195968, 214340, 237305, 244960, 332227, 342944, 379688, 428680, 474610, 489920, 664454, 685888, 759376, 857360, 949220, 979840, 1328908, 1371776, 1518752, 1661135, 1714720, 1898440, 2657816, 3037504, 3322270, 3429440, 3796880, 5315632, 6075008, 6644540, 6858880, 7593760, 10631264, 13289080, 15187520, 21262528, 26578160, 30375040, 42525056, 53156320, 106312640, 212625280]

約数ペア:

[(1, 212625280), (2, 106312640), (4, 53156320), (5, 42525056), (7, 30375040), (8, 26578160), (10, 21262528), (14, 15187520), (16, 13289080), (20, 10631264), (28, 7593760), (31, 6858880), (32, 6644540), (35, 6075008), (40, 5315632), (56, 3796880), (62, 3429440), (64, 3322270), (70, 3037504), (80, 2657816), (112, 1898440), (124, 1714720), (128, 1661135), (140, 1518752), (155, 1371776), (160, 1328908), (217, 979840), (224, 949220), (248, 857360), (280, 759376), (310, 685888), (320, 664454), (434, 489920), (448, 474610), (496, 428680), (560, 379688), (620, 342944), (640, 332227), (868, 244960), (896, 237305), (992, 214340), (1085, 195968), (1120, 189844), (1240, 171472), (1531, 138880), (1736, 122480), (1984, 107170), (2170, 97984), (2240, 94922), (2480, 85736), (3062, 69440), (3472, 61240), (3968, 53585), (4340, 48992), (4480, 47461), (4960, 42868), (6124, 34720), (6944, 30620), (7655, 27776), (8680, 24496), (9920, 21434), (10717, 19840), (12248, 17360), (13888, 15310)]