79388680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 214502400

約数和(自身を除く): 135113720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 79, 97, 140, 148, 158, 185, 194, 259, 280, 296, 316, 370, 388, 395, 485, 518, 553, 632, 679, 740, 776, 790, 970, 1036, 1106, 1295, 1358, 1480, 1580, 1940, 2072, 2212, 2590, 2716, 2765, 2923, 3160, 3395, 3589, 3880, 4424, 5180, 5432, 5530, 5846, 6790, 7178, 7663, 10360, 11060, 11692, 13580, 14356, 14615, 15326, 17945, 20461, 22120, 23384, 25123, 27160, 28712, 29230, 30652, 35890, 38315, 40922, 50246, 53641, 58460, 61304, 71780, 76630, 81844, 100492, 102305, 107282, 116920, 125615, 143560, 153260, 163688, 200984, 204610, 214564, 251230, 268205, 283531, 306520, 409220, 429128, 502460, 536410, 567062, 818440, 1004920, 1072820, 1134124, 1417655, 1984717, 2145640, 2268248, 2835310, 3969434, 5670620, 7938868, 9923585, 11341240, 15877736, 19847170, 39694340, 79388680]

約数ペア:

[(1, 79388680), (2, 39694340), (4, 19847170), (5, 15877736), (7, 11341240), (8, 9923585), (10, 7938868), (14, 5670620), (20, 3969434), (28, 2835310), (35, 2268248), (37, 2145640), (40, 1984717), (56, 1417655), (70, 1134124), (74, 1072820), (79, 1004920), (97, 818440), (140, 567062), (148, 536410), (158, 502460), (185, 429128), (194, 409220), (259, 306520), (280, 283531), (296, 268205), (316, 251230), (370, 214564), (388, 204610), (395, 200984), (485, 163688), (518, 153260), (553, 143560), (632, 125615), (679, 116920), (740, 107282), (776, 102305), (790, 100492), (970, 81844), (1036, 76630), (1106, 71780), (1295, 61304), (1358, 58460), (1480, 53641), (1580, 50246), (1940, 40922), (2072, 38315), (2212, 35890), (2590, 30652), (2716, 29230), (2765, 28712), (2923, 27160), (3160, 25123), (3395, 23384), (3589, 22120), (3880, 20461), (4424, 17945), (5180, 15326), (5432, 14615), (5530, 14356), (5846, 13580), (6790, 11692), (7178, 11060), (7663, 10360)]