644106720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1423}}^1$

素因数の和:1505

約数の個数: 192

約数和(自身を含む): 2170312704

約数和(自身を除く): 1526205984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 41, 46, 48, 60, 69, 80, 82, 92, 96, 115, 120, 123, 138, 160, 164, 184, 205, 230, 240, 246, 276, 328, 345, 368, 410, 460, 480, 492, 552, 615, 656, 690, 736, 820, 920, 943, 984, 1104, 1230, 1312, 1380, 1423, 1640, 1840, 1886, 1968, 2208, 2460, 2760, 2829, 2846, 3280, 3680, 3772, 3936, 4269, 4715, 4920, 5520, 5658, 5692, 6560, 7115, 7544, 8538, 9430, 9840, 11040, 11316, 11384, 14145, 14230, 15088, 17076, 18860, 19680, 21345, 22632, 22768, 28290, 28460, 30176, 32729, 34152, 37720, 42690, 45264, 45536, 56580, 56920, 58343, 65458, 68304, 75440, 85380, 90528, 98187, 113160, 113840, 116686, 130916, 136608, 150880, 163645, 170760, 175029, 196374, 226320, 227680, 233372, 261832, 291715, 327290, 341520, 350058, 392748, 452640, 466744, 490935, 523664, 583430, 654580, 683040, 700116, 785496, 875145, 933488, 981870, 1047328, 1166860, 1309160, 1341889, 1400232, 1570992, 1750290, 1866976, 1963740, 2333720, 2618320, 2683778, 2800464, 3141984, 3500580, 3927480, 4025667, 4667440, 5236640, 5367556, 5600928, 6709445, 7001160, 7854960, 8051334, 9334880, 10735112, 13418890, 14002320, 15709920, 16102668, 20128335, 21470224, 26837780, 28004640, 32205336, 40256670, 42940448, 53675560, 64410672, 80513340, 107351120, 128821344, 161026680, 214702240, 322053360, 644106720]

約数ペア:

[(1, 644106720), (2, 322053360), (3, 214702240), (4, 161026680), (5, 128821344), (6, 107351120), (8, 80513340), (10, 64410672), (12, 53675560), (15, 42940448), (16, 40256670), (20, 32205336), (23, 28004640), (24, 26837780), (30, 21470224), (32, 20128335), (40, 16102668), (41, 15709920), (46, 14002320), (48, 13418890), (60, 10735112), (69, 9334880), (80, 8051334), (82, 7854960), (92, 7001160), (96, 6709445), (115, 5600928), (120, 5367556), (123, 5236640), (138, 4667440), (160, 4025667), (164, 3927480), (184, 3500580), (205, 3141984), (230, 2800464), (240, 2683778), (246, 2618320), (276, 2333720), (328, 1963740), (345, 1866976), (368, 1750290), (410, 1570992), (460, 1400232), (480, 1341889), (492, 1309160), (552, 1166860), (615, 1047328), (656, 981870), (690, 933488), (736, 875145), (820, 785496), (920, 700116), (943, 683040), (984, 654580), (1104, 583430), (1230, 523664), (1312, 490935), (1380, 466744), (1423, 452640), (1640, 392748), (1840, 350058), (1886, 341520), (1968, 327290), (2208, 291715), (2460, 261832), (2760, 233372), (2829, 227680), (2846, 226320), (3280, 196374), (3680, 175029), (3772, 170760), (3936, 163645), (4269, 150880), (4715, 136608), (4920, 130916), (5520, 116686), (5658, 113840), (5692, 113160), (6560, 98187), (7115, 90528), (7544, 85380), (8538, 75440), (9430, 68304), (9840, 65458), (11040, 58343), (11316, 56920), (11384, 56580), (14145, 45536), (14230, 45264), (15088, 42690), (17076, 37720), (18860, 34152), (19680, 32729), (21345, 30176), (22632, 28460), (22768, 28290)]