291287520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:274

約数の個数: 288

約数和(自身を含む): 1073453472

約数和(自身を除く): 782165952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 73, 80, 85, 90, 96, 102, 120, 136, 144, 146, 153, 160, 163, 170, 180, 204, 219, 240, 255, 272, 288, 292, 306, 326, 340, 360, 365, 408, 438, 480, 489, 510, 544, 584, 612, 652, 657, 680, 720, 730, 765, 815, 816, 876, 978, 1020, 1095, 1168, 1224, 1241, 1304, 1314, 1360, 1440, 1460, 1467, 1530, 1630, 1632, 1752, 1956, 2040, 2190, 2336, 2445, 2448, 2482, 2608, 2628, 2720, 2771, 2920, 2934, 3060, 3260, 3285, 3504, 3723, 3912, 4080, 4380, 4890, 4896, 4964, 5216, 5256, 5542, 5840, 5868, 6120, 6205, 6520, 6570, 7008, 7335, 7446, 7824, 8160, 8313, 8760, 9780, 9928, 10512, 11084, 11169, 11680, 11736, 11899, 12240, 12410, 13040, 13140, 13855, 14670, 14892, 15648, 16626, 17520, 18615, 19560, 19856, 21024, 22168, 22338, 23472, 23798, 24480, 24820, 24939, 26080, 26280, 27710, 29340, 29784, 33252, 35040, 35697, 37230, 39120, 39712, 41565, 44336, 44676, 46944, 47596, 49640, 49878, 52560, 55420, 55845, 58680, 59495, 59568, 66504, 71394, 74460, 78240, 83130, 88672, 89352, 95192, 99280, 99756, 105120, 107091, 110840, 111690, 117360, 118990, 119136, 124695, 133008, 142788, 148920, 166260, 178485, 178704, 190384, 198560, 199512, 202283, 214182, 221680, 223380, 234720, 237980, 249390, 266016, 285576, 297840, 332520, 356970, 357408, 380768, 399024, 404566, 428364, 443360, 446760, 475960, 498780, 535455, 571152, 595680, 606849, 665040, 713940, 798048, 809132, 856728, 893520, 951920, 997560, 1011415, 1070910, 1142304, 1213698, 1330080, 1427880, 1618264, 1713456, 1787040, 1820547, 1903840, 1995120, 2022830, 2141820, 2427396, 2855760, 3034245, 3236528, 3426912, 3641094, 3990240, 4045660, 4283640, 4854792, 5711520, 6068490, 6473056, 7282188, 8091320, 8567280, 9102735, 9709584, 12136980, 14564376, 16182640, 17134560, 18205470, 19419168, 24273960, 29128752, 32365280, 36410940, 48547920, 58257504, 72821880, 97095840, 145643760, 291287520]

約数ペア:

[(1, 291287520), (2, 145643760), (3, 97095840), (4, 72821880), (5, 58257504), (6, 48547920), (8, 36410940), (9, 32365280), (10, 29128752), (12, 24273960), (15, 19419168), (16, 18205470), (17, 17134560), (18, 16182640), (20, 14564376), (24, 12136980), (30, 9709584), (32, 9102735), (34, 8567280), (36, 8091320), (40, 7282188), (45, 6473056), (48, 6068490), (51, 5711520), (60, 4854792), (68, 4283640), (72, 4045660), (73, 3990240), (80, 3641094), (85, 3426912), (90, 3236528), (96, 3034245), (102, 2855760), (120, 2427396), (136, 2141820), (144, 2022830), (146, 1995120), (153, 1903840), (160, 1820547), (163, 1787040), (170, 1713456), (180, 1618264), (204, 1427880), (219, 1330080), (240, 1213698), (255, 1142304), (272, 1070910), (288, 1011415), (292, 997560), (306, 951920), (326, 893520), (340, 856728), (360, 809132), (365, 798048), (408, 713940), (438, 665040), (480, 606849), (489, 595680), (510, 571152), (544, 535455), (584, 498780), (612, 475960), (652, 446760), (657, 443360), (680, 428364), (720, 404566), (730, 399024), (765, 380768), (815, 357408), (816, 356970), (876, 332520), (978, 297840), (1020, 285576), (1095, 266016), (1168, 249390), (1224, 237980), (1241, 234720), (1304, 223380), (1314, 221680), (1360, 214182), (1440, 202283), (1460, 199512), (1467, 198560), (1530, 190384), (1630, 178704), (1632, 178485), (1752, 166260), (1956, 148920), (2040, 142788), (2190, 133008), (2336, 124695), (2445, 119136), (2448, 118990), (2482, 117360), (2608, 111690), (2628, 110840), (2720, 107091), (2771, 105120), (2920, 99756), (2934, 99280), (3060, 95192), (3260, 89352), (3285, 88672), (3504, 83130), (3723, 78240), (3912, 74460), (4080, 71394), (4380, 66504), (4890, 59568), (4896, 59495), (4964, 58680), (5216, 55845), (5256, 55420), (5542, 52560), (5840, 49878), (5868, 49640), (6120, 47596), (6205, 46944), (6520, 44676), (6570, 44336), (7008, 41565), (7335, 39712), (7446, 39120), (7824, 37230), (8160, 35697), (8313, 35040), (8760, 33252), (9780, 29784), (9928, 29340), (10512, 27710), (11084, 26280), (11169, 26080), (11680, 24939), (11736, 24820), (11899, 24480), (12240, 23798), (12410, 23472), (13040, 22338), (13140, 22168), (13855, 21024), (14670, 19856), (14892, 19560), (15648, 18615), (16626, 17520)]