77878320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:367

約数の個数: 160

約数和(自身を含む): 263524800

約数和(自身を除く): 185646480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 109, 120, 130, 156, 195, 208, 218, 229, 240, 260, 312, 327, 390, 436, 458, 520, 545, 624, 654, 687, 780, 872, 916, 1040, 1090, 1145, 1308, 1374, 1417, 1560, 1635, 1744, 1832, 2180, 2290, 2616, 2748, 2834, 2977, 3120, 3270, 3435, 3664, 4251, 4360, 4580, 5232, 5496, 5668, 5954, 6540, 6870, 7085, 8502, 8720, 8931, 9160, 10992, 11336, 11908, 13080, 13740, 14170, 14885, 17004, 17862, 18320, 21255, 22672, 23816, 24961, 26160, 27480, 28340, 29770, 34008, 35724, 42510, 44655, 47632, 49922, 54960, 56680, 59540, 68016, 71448, 74883, 85020, 89310, 99844, 113360, 119080, 124805, 142896, 149766, 170040, 178620, 199688, 238160, 249610, 299532, 324493, 340080, 357240, 374415, 399376, 499220, 599064, 648986, 714480, 748830, 973479, 998440, 1198128, 1297972, 1497660, 1622465, 1946958, 1996880, 2595944, 2995320, 3244930, 3893916, 4867395, 5191888, 5990640, 6489860, 7787832, 9734790, 12979720, 15575664, 19469580, 25959440, 38939160, 77878320]

約数ペア:

[(1, 77878320), (2, 38939160), (3, 25959440), (4, 19469580), (5, 15575664), (6, 12979720), (8, 9734790), (10, 7787832), (12, 6489860), (13, 5990640), (15, 5191888), (16, 4867395), (20, 3893916), (24, 3244930), (26, 2995320), (30, 2595944), (39, 1996880), (40, 1946958), (48, 1622465), (52, 1497660), (60, 1297972), (65, 1198128), (78, 998440), (80, 973479), (104, 748830), (109, 714480), (120, 648986), (130, 599064), (156, 499220), (195, 399376), (208, 374415), (218, 357240), (229, 340080), (240, 324493), (260, 299532), (312, 249610), (327, 238160), (390, 199688), (436, 178620), (458, 170040), (520, 149766), (545, 142896), (624, 124805), (654, 119080), (687, 113360), (780, 99844), (872, 89310), (916, 85020), (1040, 74883), (1090, 71448), (1145, 68016), (1308, 59540), (1374, 56680), (1417, 54960), (1560, 49922), (1635, 47632), (1744, 44655), (1832, 42510), (2180, 35724), (2290, 34008), (2616, 29770), (2748, 28340), (2834, 27480), (2977, 26160), (3120, 24961), (3270, 23816), (3435, 22672), (3664, 21255), (4251, 18320), (4360, 17862), (4580, 17004), (5232, 14885), (5496, 14170), (5668, 13740), (5954, 13080), (6540, 11908), (6870, 11336), (7085, 10992), (8502, 9160), (8720, 8931)]