991386560

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 168

約数和(自身を含む): 2573334960

約数和(自身を除く): 1581948400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 97, 152, 160, 164, 190, 194, 205, 304, 320, 328, 380, 388, 410, 485, 608, 656, 760, 776, 779, 820, 970, 1216, 1312, 1520, 1552, 1558, 1640, 1681, 1843, 1940, 2624, 3040, 3104, 3116, 3280, 3362, 3686, 3880, 3895, 3977, 6080, 6208, 6232, 6560, 6724, 7372, 7760, 7790, 7954, 8405, 9215, 12464, 13120, 13448, 14744, 15520, 15580, 15908, 16810, 18430, 19885, 24928, 26896, 29488, 31040, 31160, 31816, 31939, 33620, 36860, 39770, 49856, 53792, 58976, 62320, 63632, 63878, 67240, 73720, 75563, 79540, 107584, 117952, 124640, 127264, 127756, 134480, 147440, 151126, 159080, 159695, 163057, 249280, 254528, 255512, 268960, 294880, 302252, 318160, 319390, 326114, 377815, 511024, 537920, 589760, 604504, 636320, 638780, 652228, 755630, 815285, 1022048, 1209008, 1272640, 1277560, 1304456, 1511260, 1630570, 2044096, 2418016, 2555120, 2608912, 3022520, 3098083, 3261140, 4836032, 5110240, 5217824, 6045040, 6196166, 6522280, 10220480, 10435648, 12090080, 12392332, 13044560, 15490415, 24180160, 24784664, 26089120, 30980830, 49569328, 52178240, 61961660, 99138656, 123923320, 198277312, 247846640, 495693280, 991386560]

約数ペア:

[(1, 991386560), (2, 495693280), (4, 247846640), (5, 198277312), (8, 123923320), (10, 99138656), (16, 61961660), (19, 52178240), (20, 49569328), (32, 30980830), (38, 26089120), (40, 24784664), (41, 24180160), (64, 15490415), (76, 13044560), (80, 12392332), (82, 12090080), (95, 10435648), (97, 10220480), (152, 6522280), (160, 6196166), (164, 6045040), (190, 5217824), (194, 5110240), (205, 4836032), (304, 3261140), (320, 3098083), (328, 3022520), (380, 2608912), (388, 2555120), (410, 2418016), (485, 2044096), (608, 1630570), (656, 1511260), (760, 1304456), (776, 1277560), (779, 1272640), (820, 1209008), (970, 1022048), (1216, 815285), (1312, 755630), (1520, 652228), (1552, 638780), (1558, 636320), (1640, 604504), (1681, 589760), (1843, 537920), (1940, 511024), (2624, 377815), (3040, 326114), (3104, 319390), (3116, 318160), (3280, 302252), (3362, 294880), (3686, 268960), (3880, 255512), (3895, 254528), (3977, 249280), (6080, 163057), (6208, 159695), (6232, 159080), (6560, 151126), (6724, 147440), (7372, 134480), (7760, 127756), (7790, 127264), (7954, 124640), (8405, 117952), (9215, 107584), (12464, 79540), (13120, 75563), (13448, 73720), (14744, 67240), (15520, 63878), (15580, 63632), (15908, 62320), (16810, 58976), (18430, 53792), (19885, 49856), (24928, 39770), (26896, 36860), (29488, 33620), (31040, 31939), (31160, 31816)]