280556640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2182

約数の個数: 288

約数和(自身を含む): 1178888256

約数和(自身を除く): 898331616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 504, 520, 546, 560, 585, 624, 630, 672, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1365, 1440, 1456, 1560, 1638, 1680, 1820, 1872, 2016, 2080, 2141, 2184, 2340, 2520, 2730, 2912, 3120, 3276, 3360, 3640, 3744, 4095, 4282, 4368, 4680, 5040, 5460, 6240, 6423, 6552, 7280, 8190, 8564, 8736, 9360, 10080, 10705, 10920, 12846, 13104, 14560, 14987, 16380, 17128, 18720, 19269, 21410, 21840, 25692, 26208, 27833, 29974, 32115, 32760, 34256, 38538, 42820, 43680, 44961, 51384, 55666, 59948, 64230, 65520, 68512, 74935, 77076, 83499, 85640, 89922, 96345, 102768, 111332, 119896, 128460, 131040, 134883, 139165, 149870, 154152, 166998, 171280, 179844, 192690, 194831, 205536, 222664, 224805, 239792, 250497, 256920, 269766, 278330, 299740, 308304, 333996, 342560, 359688, 385380, 389662, 417495, 445328, 449610, 479584, 500994, 513840, 539532, 556660, 584493, 599480, 616608, 667992, 674415, 719376, 770760, 779324, 834990, 890656, 899220, 974155, 1001988, 1027680, 1079064, 1113320, 1168986, 1198960, 1252485, 1335984, 1348830, 1438752, 1541520, 1558648, 1669980, 1753479, 1798440, 1948310, 2003976, 2158128, 2226640, 2337972, 2397920, 2504970, 2671968, 2697660, 2922465, 3083040, 3117296, 3339960, 3506958, 3596880, 3896620, 4007952, 4316256, 4453280, 4675944, 5009940, 5395320, 5844930, 6234592, 6679920, 7013916, 7193760, 7793240, 8015904, 8767395, 9351888, 10019880, 10790640, 11689860, 13359840, 14027832, 15586480, 17534790, 18703776, 20039760, 21581280, 23379720, 28055664, 31172960, 35069580, 40079520, 46759440, 56111328, 70139160, 93518880, 140278320, 280556640]

約数ペア:

[(1, 280556640), (2, 140278320), (3, 93518880), (4, 70139160), (5, 56111328), (6, 46759440), (7, 40079520), (8, 35069580), (9, 31172960), (10, 28055664), (12, 23379720), (13, 21581280), (14, 20039760), (15, 18703776), (16, 17534790), (18, 15586480), (20, 14027832), (21, 13359840), (24, 11689860), (26, 10790640), (28, 10019880), (30, 9351888), (32, 8767395), (35, 8015904), (36, 7793240), (39, 7193760), (40, 7013916), (42, 6679920), (45, 6234592), (48, 5844930), (52, 5395320), (56, 5009940), (60, 4675944), (63, 4453280), (65, 4316256), (70, 4007952), (72, 3896620), (78, 3596880), (80, 3506958), (84, 3339960), (90, 3117296), (91, 3083040), (96, 2922465), (104, 2697660), (105, 2671968), (112, 2504970), (117, 2397920), (120, 2337972), (126, 2226640), (130, 2158128), (140, 2003976), (144, 1948310), (156, 1798440), (160, 1753479), (168, 1669980), (180, 1558648), (182, 1541520), (195, 1438752), (208, 1348830), (210, 1335984), (224, 1252485), (234, 1198960), (240, 1168986), (252, 1113320), (260, 1079064), (273, 1027680), (280, 1001988), (288, 974155), (312, 899220), (315, 890656), (336, 834990), (360, 779324), (364, 770760), (390, 719376), (416, 674415), (420, 667992), (455, 616608), (468, 599480), (480, 584493), (504, 556660), (520, 539532), (546, 513840), (560, 500994), (585, 479584), (624, 449610), (630, 445328), (672, 417495), (720, 389662), (728, 385380), (780, 359688), (819, 342560), (840, 333996), (910, 308304), (936, 299740), (1008, 278330), (1040, 269766), (1092, 256920), (1120, 250497), (1170, 239792), (1248, 224805), (1260, 222664), (1365, 205536), (1440, 194831), (1456, 192690), (1560, 179844), (1638, 171280), (1680, 166998), (1820, 154152), (1872, 149870), (2016, 139165), (2080, 134883), (2141, 131040), (2184, 128460), (2340, 119896), (2520, 111332), (2730, 102768), (2912, 96345), (3120, 89922), (3276, 85640), (3360, 83499), (3640, 77076), (3744, 74935), (4095, 68512), (4282, 65520), (4368, 64230), (4680, 59948), (5040, 55666), (5460, 51384), (6240, 44961), (6423, 43680), (6552, 42820), (7280, 38538), (8190, 34256), (8564, 32760), (8736, 32115), (9360, 29974), (10080, 27833), (10705, 26208), (10920, 25692), (12846, 21840), (13104, 21410), (14560, 19269), (14987, 18720), (16380, 17128)]