20178203220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{41381}}^1$

素因数の和:41452

約数の個数: 240

約数和(自身を含む): 74026770048

約数和(自身を除く): 53848566828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 81, 84, 86, 90, 105, 108, 126, 129, 135, 140, 162, 172, 180, 189, 210, 215, 252, 258, 270, 301, 315, 324, 378, 387, 405, 420, 430, 516, 540, 567, 602, 630, 645, 756, 774, 810, 860, 903, 945, 1134, 1161, 1204, 1260, 1290, 1505, 1548, 1620, 1806, 1890, 1935, 2268, 2322, 2580, 2709, 2835, 3010, 3483, 3612, 3780, 3870, 4515, 4644, 5418, 5670, 5805, 6020, 6966, 7740, 8127, 9030, 10836, 11340, 11610, 13545, 13932, 16254, 17415, 18060, 23220, 24381, 27090, 32508, 34830, 40635, 41381, 48762, 54180, 69660, 81270, 82762, 97524, 121905, 124143, 162540, 165524, 206905, 243810, 248286, 289667, 372429, 413810, 487620, 496572, 579334, 620715, 744858, 827620, 869001, 1117287, 1158668, 1241430, 1448335, 1489716, 1738002, 1779383, 1862145, 2234574, 2482860, 2607003, 2896670, 3351861, 3476004, 3558766, 3724290, 4345005, 4469148, 5214006, 5338149, 5586435, 5793340, 6703722, 7117532, 7448580, 7821009, 8690010, 8896915, 10428012, 10676298, 11172870, 12455681, 13035015, 13407444, 15642018, 16014447, 16759305, 17380020, 17793830, 21352596, 22345740, 23463027, 24911362, 26070030, 26690745, 31284036, 32028894, 33518610, 35587660, 37367043, 39105045, 46926054, 48043341, 49822724, 52140060, 53381490, 62278405, 64057788, 67037220, 74734086, 78210090, 80072235, 93852108, 96086682, 106762980, 112101129, 117315135, 124556810, 144130023, 149468172, 156420180, 160144470, 186835215, 192173364, 224202258, 234630270, 240216705, 249113620, 288260046, 320288940, 336303387, 373670430, 448404516, 469260540, 480433410, 560505645, 576520092, 672606774, 720650115, 747340860, 960866820, 1008910161, 1121011290, 1345213548, 1441300230, 1681516935, 2017820322, 2242022580, 2882600460, 3363033870, 4035640644, 5044550805, 6726067740, 10089101610, 20178203220]

約数ペア:

[(1, 20178203220), (2, 10089101610), (3, 6726067740), (4, 5044550805), (5, 4035640644), (6, 3363033870), (7, 2882600460), (9, 2242022580), (10, 2017820322), (12, 1681516935), (14, 1441300230), (15, 1345213548), (18, 1121011290), (20, 1008910161), (21, 960866820), (27, 747340860), (28, 720650115), (30, 672606774), (35, 576520092), (36, 560505645), (42, 480433410), (43, 469260540), (45, 448404516), (54, 373670430), (60, 336303387), (63, 320288940), (70, 288260046), (81, 249113620), (84, 240216705), (86, 234630270), (90, 224202258), (105, 192173364), (108, 186835215), (126, 160144470), (129, 156420180), (135, 149468172), (140, 144130023), (162, 124556810), (172, 117315135), (180, 112101129), (189, 106762980), (210, 96086682), (215, 93852108), (252, 80072235), (258, 78210090), (270, 74734086), (301, 67037220), (315, 64057788), (324, 62278405), (378, 53381490), (387, 52140060), (405, 49822724), (420, 48043341), (430, 46926054), (516, 39105045), (540, 37367043), (567, 35587660), (602, 33518610), (630, 32028894), (645, 31284036), (756, 26690745), (774, 26070030), (810, 24911362), (860, 23463027), (903, 22345740), (945, 21352596), (1134, 17793830), (1161, 17380020), (1204, 16759305), (1260, 16014447), (1290, 15642018), (1505, 13407444), (1548, 13035015), (1620, 12455681), (1806, 11172870), (1890, 10676298), (1935, 10428012), (2268, 8896915), (2322, 8690010), (2580, 7821009), (2709, 7448580), (2835, 7117532), (3010, 6703722), (3483, 5793340), (3612, 5586435), (3780, 5338149), (3870, 5214006), (4515, 4469148), (4644, 4345005), (5418, 3724290), (5670, 3558766), (5805, 3476004), (6020, 3351861), (6966, 2896670), (7740, 2607003), (8127, 2482860), (9030, 2234574), (10836, 1862145), (11340, 1779383), (11610, 1738002), (13545, 1489716), (13932, 1448335), (16254, 1241430), (17415, 1158668), (18060, 1117287), (23220, 869001), (24381, 827620), (27090, 744858), (32508, 620715), (34830, 579334), (40635, 496572), (41381, 487620), (48762, 413810), (54180, 372429), (69660, 289667), (81270, 248286), (82762, 243810), (97524, 206905), (121905, 165524), (124143, 162540)]