254496360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 828679680

約数和(自身を除く): 574183320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 43, 60, 62, 74, 86, 93, 111, 120, 124, 129, 148, 155, 172, 185, 186, 215, 222, 248, 258, 296, 310, 344, 370, 372, 430, 444, 465, 516, 555, 620, 645, 740, 744, 860, 888, 930, 1032, 1110, 1147, 1240, 1290, 1333, 1480, 1591, 1720, 1849, 1860, 2220, 2294, 2580, 2666, 3182, 3441, 3698, 3720, 3999, 4440, 4588, 4773, 5160, 5332, 5547, 5735, 6364, 6665, 6882, 7396, 7955, 7998, 9176, 9245, 9546, 10664, 11094, 11470, 12728, 13330, 13764, 14792, 15910, 15996, 17205, 18490, 19092, 19995, 22188, 22940, 23865, 26660, 27528, 27735, 31820, 31992, 34410, 36980, 38184, 39990, 44376, 45880, 47730, 49321, 53320, 55470, 57319, 63640, 68413, 68820, 73960, 79980, 95460, 98642, 110940, 114638, 136826, 137640, 147963, 159960, 171957, 190920, 197284, 205239, 221880, 229276, 246605, 273652, 286595, 295926, 342065, 343914, 394568, 410478, 458552, 493210, 547304, 573190, 591852, 684130, 687828, 739815, 820956, 859785, 986420, 1026195, 1146380, 1183704, 1368260, 1375656, 1479630, 1641912, 1719570, 1972840, 2052390, 2120803, 2292760, 2736520, 2959260, 3439140, 4104780, 4241606, 5918520, 6362409, 6878280, 8209560, 8483212, 10604015, 12724818, 16966424, 21208030, 25449636, 31812045, 42416060, 50899272, 63624090, 84832120, 127248180, 254496360]

約数ペア:

[(1, 254496360), (2, 127248180), (3, 84832120), (4, 63624090), (5, 50899272), (6, 42416060), (8, 31812045), (10, 25449636), (12, 21208030), (15, 16966424), (20, 12724818), (24, 10604015), (30, 8483212), (31, 8209560), (37, 6878280), (40, 6362409), (43, 5918520), (60, 4241606), (62, 4104780), (74, 3439140), (86, 2959260), (93, 2736520), (111, 2292760), (120, 2120803), (124, 2052390), (129, 1972840), (148, 1719570), (155, 1641912), (172, 1479630), (185, 1375656), (186, 1368260), (215, 1183704), (222, 1146380), (248, 1026195), (258, 986420), (296, 859785), (310, 820956), (344, 739815), (370, 687828), (372, 684130), (430, 591852), (444, 573190), (465, 547304), (516, 493210), (555, 458552), (620, 410478), (645, 394568), (740, 343914), (744, 342065), (860, 295926), (888, 286595), (930, 273652), (1032, 246605), (1110, 229276), (1147, 221880), (1240, 205239), (1290, 197284), (1333, 190920), (1480, 171957), (1591, 159960), (1720, 147963), (1849, 137640), (1860, 136826), (2220, 114638), (2294, 110940), (2580, 98642), (2666, 95460), (3182, 79980), (3441, 73960), (3698, 68820), (3720, 68413), (3999, 63640), (4440, 57319), (4588, 55470), (4773, 53320), (5160, 49321), (5332, 47730), (5547, 45880), (5735, 44376), (6364, 39990), (6665, 38184), (6882, 36980), (7396, 34410), (7955, 31992), (7998, 31820), (9176, 27735), (9245, 27528), (9546, 26660), (10664, 23865), (11094, 22940), (11470, 22188), (12728, 19995), (13330, 19092), (13764, 18490), (14792, 17205), (15910, 15996)]