287928720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17387}}^1$

素因数の和:17429

約数の個数: 120

約数和(自身を含む): 1009060416

約数和(自身を除く): 721131696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 16560, 17387, 34774, 52161, 69548, 86935, 104322, 139096, 156483, 173870, 208644, 260805, 278192, 312966, 347740, 399901, 417288, 521610, 625932, 695480, 782415, 799802, 834576, 1043220, 1199703, 1251864, 1390960, 1564830, 1599604, 1999505, 2086440, 2399406, 2503728, 3129660, 3199208, 3599109, 3999010, 4172880, 4798812, 5998515, 6259320, 6398416, 7198218, 7998020, 9597624, 11997030, 12518640, 14396436, 15996040, 17995545, 19195248, 23994060, 28792872, 31992080, 35991090, 47988120, 57585744, 71982180, 95976240, 143964360, 287928720]

約数ペア:

[(1, 287928720), (2, 143964360), (3, 95976240), (4, 71982180), (5, 57585744), (6, 47988120), (8, 35991090), (9, 31992080), (10, 28792872), (12, 23994060), (15, 19195248), (16, 17995545), (18, 15996040), (20, 14396436), (23, 12518640), (24, 11997030), (30, 9597624), (36, 7998020), (40, 7198218), (45, 6398416), (46, 6259320), (48, 5998515), (60, 4798812), (69, 4172880), (72, 3999010), (80, 3599109), (90, 3199208), (92, 3129660), (115, 2503728), (120, 2399406), (138, 2086440), (144, 1999505), (180, 1599604), (184, 1564830), (207, 1390960), (230, 1251864), (240, 1199703), (276, 1043220), (345, 834576), (360, 799802), (368, 782415), (414, 695480), (460, 625932), (552, 521610), (690, 417288), (720, 399901), (828, 347740), (920, 312966), (1035, 278192), (1104, 260805), (1380, 208644), (1656, 173870), (1840, 156483), (2070, 139096), (2760, 104322), (3312, 86935), (4140, 69548), (5520, 52161), (8280, 34774), (16560, 17387)]