81276720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:603

約数の個数: 160

約数和(自身を含む): 291409920

約数和(自身を除く): 210133200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 101, 105, 112, 120, 140, 168, 202, 210, 240, 280, 303, 336, 404, 420, 479, 505, 560, 606, 707, 808, 840, 958, 1010, 1212, 1414, 1437, 1515, 1616, 1680, 1916, 2020, 2121, 2395, 2424, 2828, 2874, 3030, 3353, 3535, 3832, 4040, 4242, 4790, 4848, 5656, 5748, 6060, 6706, 7070, 7185, 7664, 8080, 8484, 9580, 10059, 10605, 11312, 11496, 12120, 13412, 14140, 14370, 16765, 16968, 19160, 20118, 21210, 22992, 24240, 26824, 28280, 28740, 33530, 33936, 38320, 40236, 42420, 48379, 50295, 53648, 56560, 57480, 67060, 80472, 84840, 96758, 100590, 114960, 134120, 145137, 160944, 169680, 193516, 201180, 241895, 268240, 290274, 338653, 387032, 402360, 483790, 580548, 677306, 725685, 774064, 804720, 967580, 1015959, 1161096, 1354612, 1451370, 1693265, 1935160, 2031918, 2322192, 2709224, 2902740, 3386530, 3870320, 4063836, 5079795, 5418448, 5805480, 6773060, 8127672, 10159590, 11610960, 13546120, 16255344, 20319180, 27092240, 40638360, 81276720]

約数ペア:

[(1, 81276720), (2, 40638360), (3, 27092240), (4, 20319180), (5, 16255344), (6, 13546120), (7, 11610960), (8, 10159590), (10, 8127672), (12, 6773060), (14, 5805480), (15, 5418448), (16, 5079795), (20, 4063836), (21, 3870320), (24, 3386530), (28, 2902740), (30, 2709224), (35, 2322192), (40, 2031918), (42, 1935160), (48, 1693265), (56, 1451370), (60, 1354612), (70, 1161096), (80, 1015959), (84, 967580), (101, 804720), (105, 774064), (112, 725685), (120, 677306), (140, 580548), (168, 483790), (202, 402360), (210, 387032), (240, 338653), (280, 290274), (303, 268240), (336, 241895), (404, 201180), (420, 193516), (479, 169680), (505, 160944), (560, 145137), (606, 134120), (707, 114960), (808, 100590), (840, 96758), (958, 84840), (1010, 80472), (1212, 67060), (1414, 57480), (1437, 56560), (1515, 53648), (1616, 50295), (1680, 48379), (1916, 42420), (2020, 40236), (2121, 38320), (2395, 33936), (2424, 33530), (2828, 28740), (2874, 28280), (3030, 26824), (3353, 24240), (3535, 22992), (3832, 21210), (4040, 20118), (4242, 19160), (4790, 16968), (4848, 16765), (5656, 14370), (5748, 14140), (6060, 13412), (6706, 12120), (7070, 11496), (7185, 11312), (7664, 10605), (8080, 10059), (8484, 9580)]