28117040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 81423360

約数和(自身を除く): 53306320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 37, 40, 46, 56, 59, 70, 74, 80, 92, 112, 115, 118, 140, 148, 161, 184, 185, 230, 236, 259, 280, 295, 296, 322, 368, 370, 413, 460, 472, 518, 560, 590, 592, 644, 740, 805, 826, 851, 920, 944, 1036, 1180, 1288, 1295, 1357, 1480, 1610, 1652, 1702, 1840, 2065, 2072, 2183, 2360, 2576, 2590, 2714, 2960, 3220, 3304, 3404, 4130, 4144, 4255, 4366, 4720, 5180, 5428, 5957, 6440, 6608, 6785, 6808, 8260, 8510, 8732, 9499, 10360, 10856, 10915, 11914, 12880, 13570, 13616, 15281, 16520, 17020, 17464, 18998, 20720, 21712, 21830, 23828, 27140, 29785, 30562, 33040, 34040, 34928, 37996, 43660, 47495, 47656, 50209, 54280, 59570, 61124, 68080, 75992, 76405, 87320, 94990, 95312, 100418, 108560, 119140, 122248, 151984, 152810, 174640, 189980, 200836, 238280, 244496, 251045, 305620, 351463, 379960, 401672, 476560, 502090, 611240, 702926, 759920, 803344, 1004180, 1222480, 1405852, 1757315, 2008360, 2811704, 3514630, 4016720, 5623408, 7029260, 14058520, 28117040]

約数ペア:

[(1, 28117040), (2, 14058520), (4, 7029260), (5, 5623408), (7, 4016720), (8, 3514630), (10, 2811704), (14, 2008360), (16, 1757315), (20, 1405852), (23, 1222480), (28, 1004180), (35, 803344), (37, 759920), (40, 702926), (46, 611240), (56, 502090), (59, 476560), (70, 401672), (74, 379960), (80, 351463), (92, 305620), (112, 251045), (115, 244496), (118, 238280), (140, 200836), (148, 189980), (161, 174640), (184, 152810), (185, 151984), (230, 122248), (236, 119140), (259, 108560), (280, 100418), (295, 95312), (296, 94990), (322, 87320), (368, 76405), (370, 75992), (413, 68080), (460, 61124), (472, 59570), (518, 54280), (560, 50209), (590, 47656), (592, 47495), (644, 43660), (740, 37996), (805, 34928), (826, 34040), (851, 33040), (920, 30562), (944, 29785), (1036, 27140), (1180, 23828), (1288, 21830), (1295, 21712), (1357, 20720), (1480, 18998), (1610, 17464), (1652, 17020), (1702, 16520), (1840, 15281), (2065, 13616), (2072, 13570), (2183, 12880), (2360, 11914), (2576, 10915), (2590, 10856), (2714, 10360), (2960, 9499), (3220, 8732), (3304, 8510), (3404, 8260), (4130, 6808), (4144, 6785), (4255, 6608), (4366, 6440), (4720, 5957), (5180, 5428)]