279403740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1113

約数の個数: 288

約数和(自身を含む): 1113315840

約数和(自身を除く): 833912100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 28, 30, 33, 35, 36, 38, 42, 44, 45, 55, 57, 60, 63, 66, 70, 76, 77, 84, 90, 95, 99, 105, 110, 114, 126, 132, 133, 140, 154, 165, 171, 180, 190, 198, 209, 210, 220, 228, 231, 252, 266, 285, 308, 315, 330, 342, 380, 385, 396, 399, 418, 420, 462, 495, 532, 570, 627, 630, 660, 665, 684, 693, 770, 798, 836, 855, 924, 990, 1045, 1061, 1140, 1155, 1197, 1254, 1260, 1330, 1386, 1463, 1540, 1596, 1710, 1881, 1980, 1995, 2090, 2122, 2310, 2394, 2508, 2660, 2772, 2926, 3135, 3183, 3420, 3465, 3762, 3990, 4180, 4244, 4389, 4620, 4788, 5305, 5852, 5985, 6270, 6366, 6930, 7315, 7427, 7524, 7980, 8778, 9405, 9549, 10610, 11671, 11970, 12540, 12732, 13167, 13860, 14630, 14854, 15915, 17556, 18810, 19098, 20159, 21220, 21945, 22281, 23342, 23940, 26334, 29260, 29708, 31830, 35013, 37135, 37620, 38196, 40318, 43890, 44562, 46684, 47745, 52668, 58355, 60477, 63660, 65835, 66843, 70026, 74270, 80636, 81697, 87780, 89124, 95490, 100795, 105039, 111405, 116710, 120954, 131670, 133686, 140052, 141113, 148540, 163394, 175065, 181431, 190980, 201590, 210078, 221749, 222810, 233420, 241908, 245091, 263340, 267372, 282226, 302385, 326788, 334215, 350130, 362862, 403180, 408485, 420156, 423339, 443498, 445620, 490182, 525195, 564452, 604770, 665247, 668430, 700260, 705565, 725724, 735273, 816970, 846678, 886996, 907155, 980364, 1050390, 1108745, 1209540, 1225455, 1270017, 1330494, 1336860, 1411130, 1470546, 1552243, 1633940, 1693356, 1814310, 1995741, 2100780, 2116695, 2217490, 2450910, 2540034, 2660988, 2822260, 2941092, 3104486, 3326235, 3628620, 3676365, 3991482, 4233390, 4434980, 4656729, 4901820, 5080068, 6208972, 6350085, 6652470, 7352730, 7761215, 7982964, 8466780, 9313458, 9978705, 12700170, 13304940, 13970187, 14705460, 15522430, 18626916, 19957410, 23283645, 25400340, 27940374, 31044860, 39914820, 46567290, 55880748, 69850935, 93134580, 139701870, 279403740]

約数ペア:

[(1, 279403740), (2, 139701870), (3, 93134580), (4, 69850935), (5, 55880748), (6, 46567290), (7, 39914820), (9, 31044860), (10, 27940374), (11, 25400340), (12, 23283645), (14, 19957410), (15, 18626916), (18, 15522430), (19, 14705460), (20, 13970187), (21, 13304940), (22, 12700170), (28, 9978705), (30, 9313458), (33, 8466780), (35, 7982964), (36, 7761215), (38, 7352730), (42, 6652470), (44, 6350085), (45, 6208972), (55, 5080068), (57, 4901820), (60, 4656729), (63, 4434980), (66, 4233390), (70, 3991482), (76, 3676365), (77, 3628620), (84, 3326235), (90, 3104486), (95, 2941092), (99, 2822260), (105, 2660988), (110, 2540034), (114, 2450910), (126, 2217490), (132, 2116695), (133, 2100780), (140, 1995741), (154, 1814310), (165, 1693356), (171, 1633940), (180, 1552243), (190, 1470546), (198, 1411130), (209, 1336860), (210, 1330494), (220, 1270017), (228, 1225455), (231, 1209540), (252, 1108745), (266, 1050390), (285, 980364), (308, 907155), (315, 886996), (330, 846678), (342, 816970), (380, 735273), (385, 725724), (396, 705565), (399, 700260), (418, 668430), (420, 665247), (462, 604770), (495, 564452), (532, 525195), (570, 490182), (627, 445620), (630, 443498), (660, 423339), (665, 420156), (684, 408485), (693, 403180), (770, 362862), (798, 350130), (836, 334215), (855, 326788), (924, 302385), (990, 282226), (1045, 267372), (1061, 263340), (1140, 245091), (1155, 241908), (1197, 233420), (1254, 222810), (1260, 221749), (1330, 210078), (1386, 201590), (1463, 190980), (1540, 181431), (1596, 175065), (1710, 163394), (1881, 148540), (1980, 141113), (1995, 140052), (2090, 133686), (2122, 131670), (2310, 120954), (2394, 116710), (2508, 111405), (2660, 105039), (2772, 100795), (2926, 95490), (3135, 89124), (3183, 87780), (3420, 81697), (3465, 80636), (3762, 74270), (3990, 70026), (4180, 66843), (4244, 65835), (4389, 63660), (4620, 60477), (4788, 58355), (5305, 52668), (5852, 47745), (5985, 46684), (6270, 44562), (6366, 43890), (6930, 40318), (7315, 38196), (7427, 37620), (7524, 37135), (7980, 35013), (8778, 31830), (9405, 29708), (9549, 29260), (10610, 26334), (11671, 23940), (11970, 23342), (12540, 22281), (12732, 21945), (13167, 21220), (13860, 20159), (14630, 19098), (14854, 18810), (15915, 17556)]