79964640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{7933}}^1$

素因数の和:7961

約数の個数: 144

約数和(自身を含む): 311901408

約数和(自身を除く): 231936768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 7933, 10080, 15866, 23799, 31732, 39665, 47598, 55531, 63464, 71397, 79330, 95196, 111062, 118995, 126928, 142794, 158660, 166593, 190392, 222124, 237990, 253856, 277655, 285588, 317320, 333186, 356985, 380784, 444248, 475980, 499779, 555310, 571176, 634640, 666372, 713970, 761568, 832965, 888496, 951960, 999558, 1110620, 1142352, 1269280, 1332744, 1427940, 1665930, 1776992, 1903920, 1999116, 2221240, 2284704, 2498895, 2665488, 2855880, 3331860, 3807840, 3998232, 4442480, 4997790, 5330976, 5711760, 6663720, 7996464, 8884960, 9995580, 11423520, 13327440, 15992928, 19991160, 26654880, 39982320, 79964640]

約数ペア:

[(1, 79964640), (2, 39982320), (3, 26654880), (4, 19991160), (5, 15992928), (6, 13327440), (7, 11423520), (8, 9995580), (9, 8884960), (10, 7996464), (12, 6663720), (14, 5711760), (15, 5330976), (16, 4997790), (18, 4442480), (20, 3998232), (21, 3807840), (24, 3331860), (28, 2855880), (30, 2665488), (32, 2498895), (35, 2284704), (36, 2221240), (40, 1999116), (42, 1903920), (45, 1776992), (48, 1665930), (56, 1427940), (60, 1332744), (63, 1269280), (70, 1142352), (72, 1110620), (80, 999558), (84, 951960), (90, 888496), (96, 832965), (105, 761568), (112, 713970), (120, 666372), (126, 634640), (140, 571176), (144, 555310), (160, 499779), (168, 475980), (180, 444248), (210, 380784), (224, 356985), (240, 333186), (252, 317320), (280, 285588), (288, 277655), (315, 253856), (336, 237990), (360, 222124), (420, 190392), (480, 166593), (504, 158660), (560, 142794), (630, 126928), (672, 118995), (720, 111062), (840, 95196), (1008, 79330), (1120, 71397), (1260, 63464), (1440, 55531), (1680, 47598), (2016, 39665), (2520, 31732), (3360, 23799), (5040, 15866), (7933, 10080)]