28983240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:604

約数の個数: 192

約数和(自身を含む): 110859840

約数和(自身を除く): 81876600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 563, 572, 585, 660, 715, 780, 792, 858, 936, 990, 1126, 1144, 1170, 1287, 1320, 1430, 1560, 1689, 1716, 1980, 2145, 2252, 2340, 2574, 2815, 2860, 3378, 3432, 3960, 4290, 4504, 4680, 5067, 5148, 5630, 5720, 6193, 6435, 6756, 7319, 8445, 8580, 10134, 10296, 11260, 12386, 12870, 13512, 14638, 16890, 17160, 18579, 20268, 21957, 22520, 24772, 25335, 25740, 29276, 30965, 33780, 36595, 37158, 40536, 43914, 49544, 50670, 51480, 55737, 58552, 61930, 65871, 67560, 73190, 74316, 80509, 87828, 92895, 101340, 109785, 111474, 123860, 131742, 146380, 148632, 161018, 175656, 185790, 202680, 219570, 222948, 241527, 247720, 263484, 278685, 292760, 322036, 329355, 371580, 402545, 439140, 445896, 483054, 526968, 557370, 644072, 658710, 724581, 743160, 805090, 878280, 966108, 1114740, 1207635, 1317420, 1449162, 1610180, 1932216, 2229480, 2415270, 2634840, 2898324, 3220360, 3622905, 4830540, 5796648, 7245810, 9661080, 14491620, 28983240]

約数ペア:

[(1, 28983240), (2, 14491620), (3, 9661080), (4, 7245810), (5, 5796648), (6, 4830540), (8, 3622905), (9, 3220360), (10, 2898324), (11, 2634840), (12, 2415270), (13, 2229480), (15, 1932216), (18, 1610180), (20, 1449162), (22, 1317420), (24, 1207635), (26, 1114740), (30, 966108), (33, 878280), (36, 805090), (39, 743160), (40, 724581), (44, 658710), (45, 644072), (52, 557370), (55, 526968), (60, 483054), (65, 445896), (66, 439140), (72, 402545), (78, 371580), (88, 329355), (90, 322036), (99, 292760), (104, 278685), (110, 263484), (117, 247720), (120, 241527), (130, 222948), (132, 219570), (143, 202680), (156, 185790), (165, 175656), (180, 161018), (195, 148632), (198, 146380), (220, 131742), (234, 123860), (260, 111474), (264, 109785), (286, 101340), (312, 92895), (330, 87828), (360, 80509), (390, 74316), (396, 73190), (429, 67560), (440, 65871), (468, 61930), (495, 58552), (520, 55737), (563, 51480), (572, 50670), (585, 49544), (660, 43914), (715, 40536), (780, 37158), (792, 36595), (858, 33780), (936, 30965), (990, 29276), (1126, 25740), (1144, 25335), (1170, 24772), (1287, 22520), (1320, 21957), (1430, 20268), (1560, 18579), (1689, 17160), (1716, 16890), (1980, 14638), (2145, 13512), (2252, 12870), (2340, 12386), (2574, 11260), (2815, 10296), (2860, 10134), (3378, 8580), (3432, 8445), (3960, 7319), (4290, 6756), (4504, 6435), (4680, 6193), (5067, 5720), (5148, 5630)]