123518080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:454

約数の個数: 128

約数和(自身を含む): 342720000

約数和(自身を除く): 219201920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 280, 316, 320, 349, 395, 448, 553, 560, 632, 640, 698, 790, 896, 1106, 1120, 1264, 1396, 1580, 1745, 2212, 2240, 2443, 2528, 2765, 2792, 3160, 3490, 4424, 4480, 4886, 5056, 5530, 5584, 6320, 6980, 8848, 9772, 10112, 11060, 11168, 12215, 12640, 13960, 17696, 19544, 22120, 22336, 24430, 25280, 27571, 27920, 35392, 39088, 44240, 44672, 48860, 50560, 55142, 55840, 70784, 78176, 88480, 97720, 110284, 111680, 137855, 156352, 176960, 192997, 195440, 220568, 223360, 275710, 312704, 353920, 385994, 390880, 441136, 551420, 771988, 781760, 882272, 964985, 1102840, 1543976, 1563520, 1764544, 1929970, 2205680, 3087952, 3529088, 3859940, 4411360, 6175904, 7719880, 8822720, 12351808, 15439760, 17645440, 24703616, 30879520, 61759040, 123518080]

約数ペア:

[(1, 123518080), (2, 61759040), (4, 30879520), (5, 24703616), (7, 17645440), (8, 15439760), (10, 12351808), (14, 8822720), (16, 7719880), (20, 6175904), (28, 4411360), (32, 3859940), (35, 3529088), (40, 3087952), (56, 2205680), (64, 1929970), (70, 1764544), (79, 1563520), (80, 1543976), (112, 1102840), (128, 964985), (140, 882272), (158, 781760), (160, 771988), (224, 551420), (280, 441136), (316, 390880), (320, 385994), (349, 353920), (395, 312704), (448, 275710), (553, 223360), (560, 220568), (632, 195440), (640, 192997), (698, 176960), (790, 156352), (896, 137855), (1106, 111680), (1120, 110284), (1264, 97720), (1396, 88480), (1580, 78176), (1745, 70784), (2212, 55840), (2240, 55142), (2443, 50560), (2528, 48860), (2765, 44672), (2792, 44240), (3160, 39088), (3490, 35392), (4424, 27920), (4480, 27571), (4886, 25280), (5056, 24430), (5530, 22336), (5584, 22120), (6320, 19544), (6980, 17696), (8848, 13960), (9772, 12640), (10112, 12215), (11060, 11168)]