2857149720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1511

約数の個数: 256

約数和(自身を含む): 9999360000

約数和(自身を除く): 7142210280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 61, 62, 72, 90, 93, 108, 120, 122, 124, 135, 155, 180, 183, 186, 216, 244, 248, 270, 279, 305, 310, 360, 366, 372, 465, 488, 540, 549, 558, 610, 620, 732, 744, 837, 915, 930, 1080, 1098, 1116, 1220, 1240, 1395, 1399, 1464, 1647, 1674, 1830, 1860, 1891, 2196, 2232, 2440, 2745, 2790, 2798, 3294, 3348, 3660, 3720, 3782, 4185, 4197, 4392, 5490, 5580, 5596, 5673, 6588, 6696, 6995, 7320, 7564, 8235, 8370, 8394, 9455, 10980, 11160, 11192, 11346, 12591, 13176, 13990, 15128, 16470, 16740, 16788, 17019, 18910, 20985, 21960, 22692, 25182, 27980, 28365, 32940, 33480, 33576, 34038, 37773, 37820, 41970, 43369, 45384, 50364, 51057, 55960, 56730, 62955, 65880, 68076, 75546, 75640, 83940, 85095, 85339, 86738, 100728, 102114, 113460, 125910, 130107, 136152, 151092, 167880, 170190, 170678, 173476, 188865, 204228, 216845, 226920, 251820, 255285, 256017, 260214, 302184, 340380, 341356, 346952, 377730, 390321, 408456, 426695, 433690, 503640, 510570, 512034, 520428, 650535, 680760, 682712, 755460, 768051, 780642, 853390, 867380, 1021140, 1024068, 1040856, 1170963, 1280085, 1301070, 1510920, 1536102, 1561284, 1706780, 1734760, 1951605, 2042280, 2048136, 2304153, 2341926, 2560170, 2602140, 2645509, 3072204, 3122568, 3413560, 3840255, 3903210, 4608306, 4683852, 5120340, 5204280, 5291018, 5854815, 6144408, 7680510, 7806420, 7936527, 9216612, 9367704, 10240680, 10582036, 11520765, 11709630, 13227545, 15361020, 15612840, 15873054, 18433224, 21164072, 23041530, 23419260, 23809581, 26455090, 30722040, 31746108, 39682635, 46083060, 46838520, 47619162, 52910180, 63492216, 71428743, 79365270, 92166120, 95238324, 105820360, 119047905, 142857486, 158730540, 190476648, 238095810, 285714972, 317461080, 357143715, 476191620, 571429944, 714287430, 952383240, 1428574860, 2857149720]

約数ペア:

[(1, 2857149720), (2, 1428574860), (3, 952383240), (4, 714287430), (5, 571429944), (6, 476191620), (8, 357143715), (9, 317461080), (10, 285714972), (12, 238095810), (15, 190476648), (18, 158730540), (20, 142857486), (24, 119047905), (27, 105820360), (30, 95238324), (31, 92166120), (36, 79365270), (40, 71428743), (45, 63492216), (54, 52910180), (60, 47619162), (61, 46838520), (62, 46083060), (72, 39682635), (90, 31746108), (93, 30722040), (108, 26455090), (120, 23809581), (122, 23419260), (124, 23041530), (135, 21164072), (155, 18433224), (180, 15873054), (183, 15612840), (186, 15361020), (216, 13227545), (244, 11709630), (248, 11520765), (270, 10582036), (279, 10240680), (305, 9367704), (310, 9216612), (360, 7936527), (366, 7806420), (372, 7680510), (465, 6144408), (488, 5854815), (540, 5291018), (549, 5204280), (558, 5120340), (610, 4683852), (620, 4608306), (732, 3903210), (744, 3840255), (837, 3413560), (915, 3122568), (930, 3072204), (1080, 2645509), (1098, 2602140), (1116, 2560170), (1220, 2341926), (1240, 2304153), (1395, 2048136), (1399, 2042280), (1464, 1951605), (1647, 1734760), (1674, 1706780), (1830, 1561284), (1860, 1536102), (1891, 1510920), (2196, 1301070), (2232, 1280085), (2440, 1170963), (2745, 1040856), (2790, 1024068), (2798, 1021140), (3294, 867380), (3348, 853390), (3660, 780642), (3720, 768051), (3782, 755460), (4185, 682712), (4197, 680760), (4392, 650535), (5490, 520428), (5580, 512034), (5596, 510570), (5673, 503640), (6588, 433690), (6696, 426695), (6995, 408456), (7320, 390321), (7564, 377730), (8235, 346952), (8370, 341356), (8394, 340380), (9455, 302184), (10980, 260214), (11160, 256017), (11192, 255285), (11346, 251820), (12591, 226920), (13176, 216845), (13990, 204228), (15128, 188865), (16470, 173476), (16740, 170678), (16788, 170190), (17019, 167880), (18910, 151092), (20985, 136152), (21960, 130107), (22692, 125910), (25182, 113460), (27980, 102114), (28365, 100728), (32940, 86738), (33480, 85339), (33576, 85095), (34038, 83940), (37773, 75640), (37820, 75546), (41970, 68076), (43369, 65880), (45384, 62955), (50364, 56730), (51057, 55960)]