309915840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1359

約数の個数: 224

約数和(自身を含む): 1116299520

約数和(自身を除く): 806383680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 64, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 160, 190, 192, 195, 208, 228, 240, 247, 260, 285, 304, 312, 320, 380, 390, 416, 456, 480, 494, 520, 570, 608, 624, 741, 760, 780, 832, 912, 960, 988, 1040, 1140, 1216, 1235, 1248, 1307, 1482, 1520, 1560, 1824, 1976, 2080, 2280, 2470, 2496, 2614, 2964, 3040, 3120, 3648, 3705, 3921, 3952, 4160, 4560, 4940, 5228, 5928, 6080, 6240, 6535, 7410, 7842, 7904, 9120, 9880, 10456, 11856, 12480, 13070, 14820, 15684, 15808, 16991, 18240, 19605, 19760, 20912, 23712, 24833, 26140, 29640, 31368, 33982, 39210, 39520, 41824, 47424, 49666, 50973, 52280, 59280, 62736, 67964, 74499, 78420, 79040, 83648, 84955, 99332, 101946, 104560, 118560, 124165, 125472, 135928, 148998, 156840, 169910, 198664, 203892, 209120, 237120, 248330, 250944, 254865, 271856, 297996, 313680, 322829, 339820, 372495, 397328, 407784, 418240, 496660, 509730, 543712, 595992, 627360, 645658, 679640, 744990, 794656, 815568, 968487, 993320, 1019460, 1087424, 1191984, 1254720, 1291316, 1359280, 1489980, 1589312, 1614145, 1631136, 1936974, 1986640, 2038920, 2383968, 2582632, 2718560, 2979960, 3228290, 3262272, 3873948, 3973280, 4077840, 4767936, 4842435, 5165264, 5437120, 5959920, 6456580, 7747896, 7946560, 8155680, 9684870, 10330528, 11919840, 12913160, 15495792, 16311360, 19369740, 20661056, 23839680, 25826320, 30991584, 38739480, 51652640, 61983168, 77478960, 103305280, 154957920, 309915840]

約数ペア:

[(1, 309915840), (2, 154957920), (3, 103305280), (4, 77478960), (5, 61983168), (6, 51652640), (8, 38739480), (10, 30991584), (12, 25826320), (13, 23839680), (15, 20661056), (16, 19369740), (19, 16311360), (20, 15495792), (24, 12913160), (26, 11919840), (30, 10330528), (32, 9684870), (38, 8155680), (39, 7946560), (40, 7747896), (48, 6456580), (52, 5959920), (57, 5437120), (60, 5165264), (64, 4842435), (65, 4767936), (76, 4077840), (78, 3973280), (80, 3873948), (95, 3262272), (96, 3228290), (104, 2979960), (114, 2718560), (120, 2582632), (130, 2383968), (152, 2038920), (156, 1986640), (160, 1936974), (190, 1631136), (192, 1614145), (195, 1589312), (208, 1489980), (228, 1359280), (240, 1291316), (247, 1254720), (260, 1191984), (285, 1087424), (304, 1019460), (312, 993320), (320, 968487), (380, 815568), (390, 794656), (416, 744990), (456, 679640), (480, 645658), (494, 627360), (520, 595992), (570, 543712), (608, 509730), (624, 496660), (741, 418240), (760, 407784), (780, 397328), (832, 372495), (912, 339820), (960, 322829), (988, 313680), (1040, 297996), (1140, 271856), (1216, 254865), (1235, 250944), (1248, 248330), (1307, 237120), (1482, 209120), (1520, 203892), (1560, 198664), (1824, 169910), (1976, 156840), (2080, 148998), (2280, 135928), (2470, 125472), (2496, 124165), (2614, 118560), (2964, 104560), (3040, 101946), (3120, 99332), (3648, 84955), (3705, 83648), (3921, 79040), (3952, 78420), (4160, 74499), (4560, 67964), (4940, 62736), (5228, 59280), (5928, 52280), (6080, 50973), (6240, 49666), (6535, 47424), (7410, 41824), (7842, 39520), (7904, 39210), (9120, 33982), (9880, 31368), (10456, 29640), (11856, 26140), (12480, 24833), (13070, 23712), (14820, 20912), (15684, 19760), (15808, 19605), (16991, 18240)]