77881760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 225348480

約数和(自身を除く): 147466720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 32, 34, 38, 40, 44, 55, 68, 76, 80, 85, 88, 95, 110, 136, 137, 152, 160, 170, 176, 187, 190, 209, 220, 272, 274, 304, 323, 340, 352, 374, 380, 418, 440, 544, 548, 608, 646, 680, 685, 748, 760, 836, 880, 935, 1045, 1096, 1292, 1360, 1370, 1496, 1507, 1520, 1615, 1672, 1760, 1870, 2090, 2192, 2329, 2584, 2603, 2720, 2740, 2992, 3014, 3040, 3230, 3344, 3553, 3740, 4180, 4384, 4658, 5168, 5206, 5480, 5984, 6028, 6460, 6688, 7106, 7480, 7535, 8360, 9316, 10336, 10412, 10960, 11645, 12056, 12920, 13015, 14212, 14960, 15070, 16720, 17765, 18632, 20824, 21920, 23290, 24112, 25619, 25840, 26030, 28424, 28633, 29920, 30140, 33440, 35530, 37264, 41648, 44251, 46580, 48224, 51238, 51680, 52060, 56848, 57266, 60280, 71060, 74528, 83296, 88502, 93160, 102476, 104120, 113696, 114532, 120560, 128095, 142120, 143165, 177004, 186320, 204952, 208240, 221255, 229064, 241120, 256190, 284240, 286330, 354008, 372640, 409904, 416480, 442510, 458128, 486761, 512380, 568480, 572660, 708016, 819808, 885020, 916256, 973522, 1024760, 1145320, 1416032, 1770040, 1947044, 2049520, 2290640, 2433805, 3540080, 3894088, 4099040, 4581280, 4867610, 7080160, 7788176, 9735220, 15576352, 19470440, 38940880, 77881760]

約数ペア:

[(1, 77881760), (2, 38940880), (4, 19470440), (5, 15576352), (8, 9735220), (10, 7788176), (11, 7080160), (16, 4867610), (17, 4581280), (19, 4099040), (20, 3894088), (22, 3540080), (32, 2433805), (34, 2290640), (38, 2049520), (40, 1947044), (44, 1770040), (55, 1416032), (68, 1145320), (76, 1024760), (80, 973522), (85, 916256), (88, 885020), (95, 819808), (110, 708016), (136, 572660), (137, 568480), (152, 512380), (160, 486761), (170, 458128), (176, 442510), (187, 416480), (190, 409904), (209, 372640), (220, 354008), (272, 286330), (274, 284240), (304, 256190), (323, 241120), (340, 229064), (352, 221255), (374, 208240), (380, 204952), (418, 186320), (440, 177004), (544, 143165), (548, 142120), (608, 128095), (646, 120560), (680, 114532), (685, 113696), (748, 104120), (760, 102476), (836, 93160), (880, 88502), (935, 83296), (1045, 74528), (1096, 71060), (1292, 60280), (1360, 57266), (1370, 56848), (1496, 52060), (1507, 51680), (1520, 51238), (1615, 48224), (1672, 46580), (1760, 44251), (1870, 41648), (2090, 37264), (2192, 35530), (2329, 33440), (2584, 30140), (2603, 29920), (2720, 28633), (2740, 28424), (2992, 26030), (3014, 25840), (3040, 25619), (3230, 24112), (3344, 23290), (3553, 21920), (3740, 20824), (4180, 18632), (4384, 17765), (4658, 16720), (5168, 15070), (5206, 14960), (5480, 14212), (5984, 13015), (6028, 12920), (6460, 12056), (6688, 11645), (7106, 10960), (7480, 10412), (7535, 10336), (8360, 9316)]