80420880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:913

約数の個数: 160

約数和(自身を含む): 275768064

約数和(自身を除く): 195347184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 240, 255, 272, 276, 340, 345, 368, 391, 408, 460, 510, 552, 680, 690, 782, 816, 857, 920, 1020, 1104, 1173, 1360, 1380, 1564, 1714, 1840, 1955, 2040, 2346, 2571, 2760, 3128, 3428, 3910, 4080, 4285, 4692, 5142, 5520, 5865, 6256, 6856, 7820, 8570, 9384, 10284, 11730, 12855, 13712, 14569, 15640, 17140, 18768, 19711, 20568, 23460, 25710, 29138, 31280, 34280, 39422, 41136, 43707, 46920, 51420, 58276, 59133, 68560, 72845, 78844, 87414, 93840, 98555, 102840, 116552, 118266, 145690, 157688, 174828, 197110, 205680, 218535, 233104, 236532, 291380, 295665, 315376, 335087, 349656, 394220, 437070, 473064, 582760, 591330, 670174, 699312, 788440, 874140, 946128, 1005261, 1165520, 1182660, 1340348, 1576880, 1675435, 1748280, 2010522, 2365320, 2680696, 3350870, 3496560, 4021044, 4730640, 5026305, 5361392, 6701740, 8042088, 10052610, 13403480, 16084176, 20105220, 26806960, 40210440, 80420880]

約数ペア:

[(1, 80420880), (2, 40210440), (3, 26806960), (4, 20105220), (5, 16084176), (6, 13403480), (8, 10052610), (10, 8042088), (12, 6701740), (15, 5361392), (16, 5026305), (17, 4730640), (20, 4021044), (23, 3496560), (24, 3350870), (30, 2680696), (34, 2365320), (40, 2010522), (46, 1748280), (48, 1675435), (51, 1576880), (60, 1340348), (68, 1182660), (69, 1165520), (80, 1005261), (85, 946128), (92, 874140), (102, 788440), (115, 699312), (120, 670174), (136, 591330), (138, 582760), (170, 473064), (184, 437070), (204, 394220), (230, 349656), (240, 335087), (255, 315376), (272, 295665), (276, 291380), (340, 236532), (345, 233104), (368, 218535), (391, 205680), (408, 197110), (460, 174828), (510, 157688), (552, 145690), (680, 118266), (690, 116552), (782, 102840), (816, 98555), (857, 93840), (920, 87414), (1020, 78844), (1104, 72845), (1173, 68560), (1360, 59133), (1380, 58276), (1564, 51420), (1714, 46920), (1840, 43707), (1955, 41136), (2040, 39422), (2346, 34280), (2571, 31280), (2760, 29138), (3128, 25710), (3428, 23460), (3910, 20568), (4080, 19711), (4285, 18768), (4692, 17140), (5142, 15640), (5520, 14569), (5865, 13712), (6256, 12855), (6856, 11730), (7820, 10284), (8570, 9384)]