80077680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:436

約数の個数: 160

約数和(自身を含む): 278910720

約数和(自身を除く): 198833040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 131, 135, 144, 180, 216, 240, 262, 270, 283, 360, 393, 432, 524, 540, 566, 655, 720, 786, 849, 1048, 1080, 1132, 1179, 1310, 1415, 1572, 1698, 1965, 2096, 2160, 2264, 2358, 2547, 2620, 2830, 3144, 3396, 3537, 3930, 4245, 4528, 4716, 5094, 5240, 5660, 5895, 6288, 6792, 7074, 7641, 7860, 8490, 9432, 10188, 10480, 11320, 11790, 12735, 13584, 14148, 15282, 15720, 16980, 17685, 18864, 20376, 22640, 23580, 25470, 28296, 30564, 31440, 33960, 35370, 37073, 38205, 40752, 47160, 50940, 56592, 61128, 67920, 70740, 74146, 76410, 94320, 101880, 111219, 122256, 141480, 148292, 152820, 185365, 203760, 222438, 282960, 296584, 305640, 333657, 370730, 444876, 556095, 593168, 611280, 667314, 741460, 889752, 1000971, 1112190, 1334628, 1482920, 1668285, 1779504, 2001942, 2224380, 2669256, 2965840, 3336570, 4003884, 4448760, 5004855, 5338512, 6673140, 8007768, 8897520, 10009710, 13346280, 16015536, 20019420, 26692560, 40038840, 80077680]

約数ペア:

[(1, 80077680), (2, 40038840), (3, 26692560), (4, 20019420), (5, 16015536), (6, 13346280), (8, 10009710), (9, 8897520), (10, 8007768), (12, 6673140), (15, 5338512), (16, 5004855), (18, 4448760), (20, 4003884), (24, 3336570), (27, 2965840), (30, 2669256), (36, 2224380), (40, 2001942), (45, 1779504), (48, 1668285), (54, 1482920), (60, 1334628), (72, 1112190), (80, 1000971), (90, 889752), (108, 741460), (120, 667314), (131, 611280), (135, 593168), (144, 556095), (180, 444876), (216, 370730), (240, 333657), (262, 305640), (270, 296584), (283, 282960), (360, 222438), (393, 203760), (432, 185365), (524, 152820), (540, 148292), (566, 141480), (655, 122256), (720, 111219), (786, 101880), (849, 94320), (1048, 76410), (1080, 74146), (1132, 70740), (1179, 67920), (1310, 61128), (1415, 56592), (1572, 50940), (1698, 47160), (1965, 40752), (2096, 38205), (2160, 37073), (2264, 35370), (2358, 33960), (2547, 31440), (2620, 30564), (2830, 28296), (3144, 25470), (3396, 23580), (3537, 22640), (3930, 20376), (4245, 18864), (4528, 17685), (4716, 16980), (5094, 15720), (5240, 15282), (5660, 14148), (5895, 13584), (6288, 12735), (6792, 11790), (7074, 11320), (7641, 10480), (7860, 10188), (8490, 9432)]