231531720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:292

約数の個数: 256

約数和(自身を含む): 850176000

約数和(自身を除く): 618644280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 89, 95, 105, 114, 120, 133, 140, 152, 163, 168, 178, 190, 210, 228, 266, 267, 280, 285, 326, 356, 380, 399, 420, 445, 456, 489, 532, 534, 570, 623, 652, 665, 712, 760, 798, 815, 840, 890, 978, 1064, 1068, 1140, 1141, 1246, 1304, 1330, 1335, 1596, 1630, 1691, 1780, 1869, 1956, 1995, 2136, 2280, 2282, 2445, 2492, 2660, 2670, 3097, 3115, 3192, 3260, 3382, 3423, 3560, 3738, 3912, 3990, 4564, 4890, 4984, 5073, 5320, 5340, 5705, 6194, 6230, 6520, 6764, 6846, 7476, 7980, 8455, 9128, 9291, 9345, 9780, 10146, 10680, 11410, 11837, 12388, 12460, 13528, 13692, 14507, 14952, 15485, 15960, 16910, 17115, 18582, 18690, 19560, 20292, 21679, 22820, 23674, 24776, 24920, 25365, 27384, 29014, 30970, 33820, 34230, 35511, 37164, 37380, 40584, 43358, 43521, 45640, 46455, 47348, 50730, 58028, 59185, 61940, 65037, 67640, 68460, 71022, 72535, 74328, 74760, 86716, 87042, 92910, 94696, 101460, 101549, 108395, 116056, 118370, 123880, 130074, 136920, 142044, 145070, 173432, 174084, 177555, 185820, 202920, 203098, 216790, 217605, 236740, 260148, 275633, 284088, 290140, 304647, 325185, 348168, 355110, 371640, 406196, 433580, 435210, 473480, 507745, 520296, 551266, 580280, 609294, 650370, 710220, 812392, 826899, 867160, 870420, 1015490, 1102532, 1218588, 1300740, 1378165, 1420440, 1523235, 1653798, 1740840, 1929431, 2030980, 2205064, 2437176, 2601480, 2756330, 3046470, 3307596, 3858862, 4061960, 4134495, 5512660, 5788293, 6092940, 6615192, 7717724, 8268990, 9647155, 11025320, 11576586, 12185880, 15435448, 16537980, 19294310, 23153172, 28941465, 33075960, 38588620, 46306344, 57882930, 77177240, 115765860, 231531720]

約数ペア:

[(1, 231531720), (2, 115765860), (3, 77177240), (4, 57882930), (5, 46306344), (6, 38588620), (7, 33075960), (8, 28941465), (10, 23153172), (12, 19294310), (14, 16537980), (15, 15435448), (19, 12185880), (20, 11576586), (21, 11025320), (24, 9647155), (28, 8268990), (30, 7717724), (35, 6615192), (38, 6092940), (40, 5788293), (42, 5512660), (56, 4134495), (57, 4061960), (60, 3858862), (70, 3307596), (76, 3046470), (84, 2756330), (89, 2601480), (95, 2437176), (105, 2205064), (114, 2030980), (120, 1929431), (133, 1740840), (140, 1653798), (152, 1523235), (163, 1420440), (168, 1378165), (178, 1300740), (190, 1218588), (210, 1102532), (228, 1015490), (266, 870420), (267, 867160), (280, 826899), (285, 812392), (326, 710220), (356, 650370), (380, 609294), (399, 580280), (420, 551266), (445, 520296), (456, 507745), (489, 473480), (532, 435210), (534, 433580), (570, 406196), (623, 371640), (652, 355110), (665, 348168), (712, 325185), (760, 304647), (798, 290140), (815, 284088), (840, 275633), (890, 260148), (978, 236740), (1064, 217605), (1068, 216790), (1140, 203098), (1141, 202920), (1246, 185820), (1304, 177555), (1330, 174084), (1335, 173432), (1596, 145070), (1630, 142044), (1691, 136920), (1780, 130074), (1869, 123880), (1956, 118370), (1995, 116056), (2136, 108395), (2280, 101549), (2282, 101460), (2445, 94696), (2492, 92910), (2660, 87042), (2670, 86716), (3097, 74760), (3115, 74328), (3192, 72535), (3260, 71022), (3382, 68460), (3423, 67640), (3560, 65037), (3738, 61940), (3912, 59185), (3990, 58028), (4564, 50730), (4890, 47348), (4984, 46455), (5073, 45640), (5320, 43521), (5340, 43358), (5705, 40584), (6194, 37380), (6230, 37164), (6520, 35511), (6764, 34230), (6846, 33820), (7476, 30970), (7980, 29014), (8455, 27384), (9128, 25365), (9291, 24920), (9345, 24776), (9780, 23674), (10146, 22820), (10680, 21679), (11410, 20292), (11837, 19560), (12388, 18690), (12460, 18582), (13528, 17115), (13692, 16910), (14507, 15960), (14952, 15485)]