28291680

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 240

約数和(自身を含む): 104282640

約数和(自身を除く): 75990960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 59, 60, 72, 74, 80, 81, 90, 96, 108, 111, 118, 120, 135, 144, 148, 160, 162, 177, 180, 185, 216, 222, 236, 240, 270, 288, 295, 296, 324, 333, 354, 360, 370, 405, 432, 444, 472, 480, 531, 540, 555, 590, 592, 648, 666, 708, 720, 740, 810, 864, 885, 888, 944, 999, 1062, 1080, 1110, 1180, 1184, 1296, 1332, 1416, 1440, 1480, 1593, 1620, 1665, 1770, 1776, 1888, 1998, 2124, 2160, 2183, 2220, 2360, 2592, 2655, 2664, 2832, 2960, 2997, 3186, 3240, 3330, 3540, 3552, 3996, 4248, 4320, 4366, 4440, 4720, 4779, 4995, 5310, 5328, 5664, 5920, 5994, 6372, 6480, 6549, 6660, 7080, 7965, 7992, 8496, 8732, 8880, 9440, 9558, 9990, 10620, 10656, 10915, 11988, 12744, 12960, 13098, 13320, 14160, 14985, 15930, 15984, 16992, 17464, 17760, 19116, 19647, 19980, 21240, 21830, 23895, 23976, 25488, 26196, 26640, 28320, 29970, 31860, 31968, 32745, 34928, 38232, 39294, 39960, 42480, 43660, 47790, 47952, 50976, 52392, 53280, 58941, 59940, 63720, 65490, 69856, 76464, 78588, 79920, 84960, 87320, 95580, 95904, 98235, 104784, 117882, 119880, 127440, 130980, 152928, 157176, 159840, 174640, 176823, 191160, 196470, 209568, 235764, 239760, 254880, 261960, 294705, 314352, 349280, 353646, 382320, 392940, 471528, 479520, 523920, 589410, 628704, 707292, 764640, 785880, 884115, 943056, 1047840, 1178820, 1414584, 1571760, 1768230, 1886112, 2357640, 2829168, 3143520, 3536460, 4715280, 5658336, 7072920, 9430560, 14145840, 28291680]

約数ペア:

[(1, 28291680), (2, 14145840), (3, 9430560), (4, 7072920), (5, 5658336), (6, 4715280), (8, 3536460), (9, 3143520), (10, 2829168), (12, 2357640), (15, 1886112), (16, 1768230), (18, 1571760), (20, 1414584), (24, 1178820), (27, 1047840), (30, 943056), (32, 884115), (36, 785880), (37, 764640), (40, 707292), (45, 628704), (48, 589410), (54, 523920), (59, 479520), (60, 471528), (72, 392940), (74, 382320), (80, 353646), (81, 349280), (90, 314352), (96, 294705), (108, 261960), (111, 254880), (118, 239760), (120, 235764), (135, 209568), (144, 196470), (148, 191160), (160, 176823), (162, 174640), (177, 159840), (180, 157176), (185, 152928), (216, 130980), (222, 127440), (236, 119880), (240, 117882), (270, 104784), (288, 98235), (295, 95904), (296, 95580), (324, 87320), (333, 84960), (354, 79920), (360, 78588), (370, 76464), (405, 69856), (432, 65490), (444, 63720), (472, 59940), (480, 58941), (531, 53280), (540, 52392), (555, 50976), (590, 47952), (592, 47790), (648, 43660), (666, 42480), (708, 39960), (720, 39294), (740, 38232), (810, 34928), (864, 32745), (885, 31968), (888, 31860), (944, 29970), (999, 28320), (1062, 26640), (1080, 26196), (1110, 25488), (1180, 23976), (1184, 23895), (1296, 21830), (1332, 21240), (1416, 19980), (1440, 19647), (1480, 19116), (1593, 17760), (1620, 17464), (1665, 16992), (1770, 15984), (1776, 15930), (1888, 14985), (1998, 14160), (2124, 13320), (2160, 13098), (2183, 12960), (2220, 12744), (2360, 11988), (2592, 10915), (2655, 10656), (2664, 10620), (2832, 9990), (2960, 9558), (2997, 9440), (3186, 8880), (3240, 8732), (3330, 8496), (3540, 7992), (3552, 7965), (3996, 7080), (4248, 6660), (4320, 6549), (4366, 6480), (4440, 6372), (4720, 5994), (4779, 5920), (4995, 5664), (5310, 5328)]