87268720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 160

約数和(自身を含む): 261697536

約数和(自身を除く): 174428816

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 457, 496, 560, 616, 620, 682, 770, 868, 880, 914, 1085, 1232, 1240, 1364, 1540, 1705, 1736, 1828, 2170, 2285, 2387, 2480, 2728, 3080, 3199, 3410, 3472, 3656, 4340, 4570, 4774, 5027, 5456, 6160, 6398, 6820, 7312, 8680, 9140, 9548, 10054, 11935, 12796, 13640, 14167, 15995, 17360, 18280, 19096, 20108, 23870, 25135, 25592, 27280, 28334, 31990, 35189, 36560, 38192, 40216, 47740, 50270, 51184, 56668, 63980, 70378, 70835, 80432, 95480, 99169, 100540, 113336, 127960, 140756, 141670, 155837, 175945, 190960, 198338, 201080, 226672, 255920, 281512, 283340, 311674, 351890, 396676, 402160, 495845, 563024, 566680, 623348, 703780, 779185, 793352, 991690, 1090859, 1133360, 1246696, 1407560, 1558370, 1586704, 1983380, 2181718, 2493392, 2815120, 3116740, 3966760, 4363436, 5454295, 6233480, 7933520, 8726872, 10908590, 12466960, 17453744, 21817180, 43634360, 87268720]

約数ペア:

[(1, 87268720), (2, 43634360), (4, 21817180), (5, 17453744), (7, 12466960), (8, 10908590), (10, 8726872), (11, 7933520), (14, 6233480), (16, 5454295), (20, 4363436), (22, 3966760), (28, 3116740), (31, 2815120), (35, 2493392), (40, 2181718), (44, 1983380), (55, 1586704), (56, 1558370), (62, 1407560), (70, 1246696), (77, 1133360), (80, 1090859), (88, 991690), (110, 793352), (112, 779185), (124, 703780), (140, 623348), (154, 566680), (155, 563024), (176, 495845), (217, 402160), (220, 396676), (248, 351890), (280, 311674), (308, 283340), (310, 281512), (341, 255920), (385, 226672), (434, 201080), (440, 198338), (457, 190960), (496, 175945), (560, 155837), (616, 141670), (620, 140756), (682, 127960), (770, 113336), (868, 100540), (880, 99169), (914, 95480), (1085, 80432), (1232, 70835), (1240, 70378), (1364, 63980), (1540, 56668), (1705, 51184), (1736, 50270), (1828, 47740), (2170, 40216), (2285, 38192), (2387, 36560), (2480, 35189), (2728, 31990), (3080, 28334), (3199, 27280), (3410, 25592), (3472, 25135), (3656, 23870), (4340, 20108), (4570, 19096), (4774, 18280), (5027, 17360), (5456, 15995), (6160, 14167), (6398, 13640), (6820, 12796), (7312, 11935), (8680, 10054), (9140, 9548)]