328897920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13177}}^1$

素因数の和:13212

約数の個数: 128

約数和(自身を含む): 1129091040

約数和(自身を除く): 800193120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 13177, 24960, 26354, 39531, 52708, 65885, 79062, 105416, 131770, 158124, 171301, 197655, 210832, 263540, 316248, 342602, 395310, 421664, 513903, 527080, 632496, 685204, 790620, 843328, 856505, 1027806, 1054160, 1264992, 1370408, 1581240, 1686656, 1713010, 2055612, 2108320, 2529984, 2569515, 2740816, 3162480, 3426020, 4111224, 4216640, 5059968, 5139030, 5481632, 6324960, 6852040, 8222448, 8433280, 10278060, 10963264, 12649920, 13704080, 16444896, 20556120, 21926528, 25299840, 27408160, 32889792, 41112240, 54816320, 65779584, 82224480, 109632640, 164448960, 328897920]

約数ペア:

[(1, 328897920), (2, 164448960), (3, 109632640), (4, 82224480), (5, 65779584), (6, 54816320), (8, 41112240), (10, 32889792), (12, 27408160), (13, 25299840), (15, 21926528), (16, 20556120), (20, 16444896), (24, 13704080), (26, 12649920), (30, 10963264), (32, 10278060), (39, 8433280), (40, 8222448), (48, 6852040), (52, 6324960), (60, 5481632), (64, 5139030), (65, 5059968), (78, 4216640), (80, 4111224), (96, 3426020), (104, 3162480), (120, 2740816), (128, 2569515), (130, 2529984), (156, 2108320), (160, 2055612), (192, 1713010), (195, 1686656), (208, 1581240), (240, 1370408), (260, 1264992), (312, 1054160), (320, 1027806), (384, 856505), (390, 843328), (416, 790620), (480, 685204), (520, 632496), (624, 527080), (640, 513903), (780, 421664), (832, 395310), (960, 342602), (1040, 316248), (1248, 263540), (1560, 210832), (1664, 197655), (1920, 171301), (2080, 158124), (2496, 131770), (3120, 105416), (4160, 79062), (4992, 65885), (6240, 52708), (8320, 39531), (12480, 26354), (13177, 24960)]