72980820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 288

約数和(自身を含む): 264176640

約数和(自身を除く): 191195820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 31, 33, 36, 41, 44, 45, 55, 58, 60, 62, 66, 82, 87, 90, 93, 99, 110, 116, 123, 124, 132, 145, 155, 164, 165, 174, 180, 186, 198, 205, 220, 246, 261, 279, 290, 310, 319, 330, 341, 348, 369, 372, 396, 410, 435, 451, 465, 492, 495, 522, 558, 580, 615, 620, 638, 660, 682, 738, 820, 870, 899, 902, 930, 957, 990, 1023, 1044, 1116, 1189, 1230, 1271, 1276, 1305, 1353, 1364, 1395, 1476, 1595, 1705, 1740, 1798, 1804, 1845, 1860, 1914, 1980, 2046, 2255, 2378, 2460, 2542, 2610, 2697, 2706, 2790, 2871, 3069, 3190, 3410, 3567, 3596, 3690, 3813, 3828, 4059, 4092, 4495, 4510, 4756, 4785, 5084, 5115, 5220, 5394, 5412, 5580, 5742, 5945, 6138, 6355, 6380, 6765, 6820, 7134, 7380, 7626, 8091, 8118, 8990, 9020, 9570, 9889, 10230, 10701, 10788, 11439, 11484, 11890, 12276, 12710, 13079, 13485, 13530, 13981, 14268, 14355, 15252, 15345, 16182, 16236, 17835, 17980, 19065, 19140, 19778, 20295, 20460, 21402, 22878, 23780, 25420, 26158, 26970, 27060, 27962, 28710, 29667, 30690, 32364, 35670, 36859, 38130, 39237, 39556, 40455, 40590, 41943, 42804, 45756, 49445, 52316, 53505, 53940, 55924, 57195, 57420, 59334, 61380, 65395, 69905, 71340, 73718, 76260, 78474, 80910, 81180, 83886, 89001, 98890, 107010, 110577, 114390, 117711, 118668, 125829, 130790, 139810, 147436, 148335, 156948, 161820, 167772, 178002, 184295, 196185, 197780, 209715, 214020, 221154, 228780, 235422, 251658, 261580, 279620, 296670, 331731, 356004, 368590, 392370, 405449, 419430, 442308, 445005, 470844, 503316, 552885, 588555, 593340, 629145, 663462, 737180, 784740, 810898, 838860, 890010, 1105770, 1177110, 1216347, 1258290, 1326924, 1621796, 1658655, 1780020, 2027245, 2211540, 2354220, 2432694, 2516580, 3317310, 3649041, 4054490, 4865388, 6081735, 6634620, 7298082, 8108980, 12163470, 14596164, 18245205, 24326940, 36490410, 72980820]

約数ペア:

[(1, 72980820), (2, 36490410), (3, 24326940), (4, 18245205), (5, 14596164), (6, 12163470), (9, 8108980), (10, 7298082), (11, 6634620), (12, 6081735), (15, 4865388), (18, 4054490), (20, 3649041), (22, 3317310), (29, 2516580), (30, 2432694), (31, 2354220), (33, 2211540), (36, 2027245), (41, 1780020), (44, 1658655), (45, 1621796), (55, 1326924), (58, 1258290), (60, 1216347), (62, 1177110), (66, 1105770), (82, 890010), (87, 838860), (90, 810898), (93, 784740), (99, 737180), (110, 663462), (116, 629145), (123, 593340), (124, 588555), (132, 552885), (145, 503316), (155, 470844), (164, 445005), (165, 442308), (174, 419430), (180, 405449), (186, 392370), (198, 368590), (205, 356004), (220, 331731), (246, 296670), (261, 279620), (279, 261580), (290, 251658), (310, 235422), (319, 228780), (330, 221154), (341, 214020), (348, 209715), (369, 197780), (372, 196185), (396, 184295), (410, 178002), (435, 167772), (451, 161820), (465, 156948), (492, 148335), (495, 147436), (522, 139810), (558, 130790), (580, 125829), (615, 118668), (620, 117711), (638, 114390), (660, 110577), (682, 107010), (738, 98890), (820, 89001), (870, 83886), (899, 81180), (902, 80910), (930, 78474), (957, 76260), (990, 73718), (1023, 71340), (1044, 69905), (1116, 65395), (1189, 61380), (1230, 59334), (1271, 57420), (1276, 57195), (1305, 55924), (1353, 53940), (1364, 53505), (1395, 52316), (1476, 49445), (1595, 45756), (1705, 42804), (1740, 41943), (1798, 40590), (1804, 40455), (1845, 39556), (1860, 39237), (1914, 38130), (1980, 36859), (2046, 35670), (2255, 32364), (2378, 30690), (2460, 29667), (2542, 28710), (2610, 27962), (2697, 27060), (2706, 26970), (2790, 26158), (2871, 25420), (3069, 23780), (3190, 22878), (3410, 21402), (3567, 20460), (3596, 20295), (3690, 19778), (3813, 19140), (3828, 19065), (4059, 17980), (4092, 17835), (4495, 16236), (4510, 16182), (4756, 15345), (4785, 15252), (5084, 14355), (5115, 14268), (5220, 13981), (5394, 13530), (5412, 13485), (5580, 13079), (5742, 12710), (5945, 12276), (6138, 11890), (6355, 11484), (6380, 11439), (6765, 10788), (6820, 10701), (7134, 10230), (7380, 9889), (7626, 9570), (8091, 9020), (8118, 8990)]