247084880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 695574528

約数和(自身を除く): 448489648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 43, 56, 62, 70, 80, 86, 112, 124, 140, 155, 172, 215, 217, 248, 280, 301, 310, 331, 344, 430, 434, 496, 560, 602, 620, 662, 688, 860, 868, 1085, 1204, 1240, 1324, 1333, 1505, 1655, 1720, 1736, 2170, 2317, 2408, 2480, 2648, 2666, 3010, 3310, 3440, 3472, 4340, 4634, 4816, 5296, 5332, 6020, 6620, 6665, 8680, 9268, 9331, 10261, 10664, 11585, 12040, 13240, 13330, 14233, 17360, 18536, 18662, 20522, 21328, 23170, 24080, 26480, 26660, 28466, 37072, 37324, 41044, 46340, 46655, 51305, 53320, 56932, 71165, 71827, 74648, 82088, 92680, 93310, 99631, 102610, 106640, 113864, 142330, 143654, 149296, 164176, 185360, 186620, 199262, 205220, 227728, 284660, 287308, 359135, 373240, 398524, 410440, 441223, 498155, 569320, 574616, 718270, 746480, 797048, 820880, 882446, 996310, 1138640, 1149232, 1436540, 1594096, 1764892, 1992620, 2206115, 2873080, 3088561, 3529784, 3985240, 4412230, 5746160, 6177122, 7059568, 7970480, 8824460, 12354244, 15442805, 17648920, 24708488, 30885610, 35297840, 49416976, 61771220, 123542440, 247084880]

約数ペア:

[(1, 247084880), (2, 123542440), (4, 61771220), (5, 49416976), (7, 35297840), (8, 30885610), (10, 24708488), (14, 17648920), (16, 15442805), (20, 12354244), (28, 8824460), (31, 7970480), (35, 7059568), (40, 6177122), (43, 5746160), (56, 4412230), (62, 3985240), (70, 3529784), (80, 3088561), (86, 2873080), (112, 2206115), (124, 1992620), (140, 1764892), (155, 1594096), (172, 1436540), (215, 1149232), (217, 1138640), (248, 996310), (280, 882446), (301, 820880), (310, 797048), (331, 746480), (344, 718270), (430, 574616), (434, 569320), (496, 498155), (560, 441223), (602, 410440), (620, 398524), (662, 373240), (688, 359135), (860, 287308), (868, 284660), (1085, 227728), (1204, 205220), (1240, 199262), (1324, 186620), (1333, 185360), (1505, 164176), (1655, 149296), (1720, 143654), (1736, 142330), (2170, 113864), (2317, 106640), (2408, 102610), (2480, 99631), (2648, 93310), (2666, 92680), (3010, 82088), (3310, 74648), (3440, 71827), (3472, 71165), (4340, 56932), (4634, 53320), (4816, 51305), (5296, 46655), (5332, 46340), (6020, 41044), (6620, 37324), (6665, 37072), (8680, 28466), (9268, 26660), (9331, 26480), (10261, 24080), (10664, 23170), (11585, 21328), (12040, 20522), (13240, 18662), (13330, 18536), (14233, 17360)]