80706990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 256

約数和(自身を含む): 264757248

約数和(自身を除く): 184050258

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 21, 26, 30, 34, 35, 37, 39, 42, 47, 51, 65, 70, 74, 78, 85, 91, 94, 102, 105, 111, 119, 130, 141, 170, 182, 185, 195, 210, 221, 222, 235, 238, 255, 259, 273, 282, 329, 357, 370, 390, 442, 455, 470, 481, 510, 518, 546, 555, 595, 611, 629, 658, 663, 705, 714, 777, 799, 910, 962, 987, 1105, 1110, 1190, 1222, 1258, 1295, 1326, 1365, 1410, 1443, 1547, 1554, 1598, 1645, 1739, 1785, 1833, 1887, 1974, 2210, 2397, 2405, 2590, 2730, 2886, 3055, 3094, 3145, 3290, 3315, 3367, 3478, 3570, 3666, 3774, 3885, 3995, 4277, 4403, 4641, 4794, 4810, 4935, 5217, 5593, 6110, 6290, 6630, 6734, 7215, 7735, 7770, 7990, 8177, 8554, 8695, 8806, 9165, 9282, 9435, 9870, 10101, 10387, 10434, 11186, 11985, 12173, 12831, 13209, 14430, 15470, 16354, 16779, 16835, 17390, 18330, 18870, 20202, 20774, 21385, 22015, 22607, 23205, 23970, 24346, 24531, 25662, 26085, 26418, 27965, 29563, 31161, 33558, 33670, 36519, 40885, 42770, 44030, 45214, 46410, 49062, 50505, 51935, 52170, 55930, 57239, 59126, 60865, 62322, 64155, 66045, 67821, 72709, 73038, 81770, 83895, 88689, 101010, 103870, 113035, 114478, 121730, 122655, 128310, 132090, 135642, 145418, 147815, 155805, 158249, 167790, 171717, 177378, 182595, 206941, 218127, 226070, 245310, 286195, 295630, 311610, 316498, 339105, 343434, 363545, 365190, 384319, 413882, 436254, 443445, 474747, 572390, 620823, 678210, 727090, 768638, 791245, 858585, 886890, 949494, 1034705, 1090635, 1152957, 1241646, 1582490, 1717170, 1921595, 2069410, 2181270, 2305914, 2373735, 2690233, 3104115, 3843190, 4747470, 5380466, 5764785, 6208230, 8070699, 11529570, 13451165, 16141398, 26902330, 40353495, 80706990]

約数ペア:

[(1, 80706990), (2, 40353495), (3, 26902330), (5, 16141398), (6, 13451165), (7, 11529570), (10, 8070699), (13, 6208230), (14, 5764785), (15, 5380466), (17, 4747470), (21, 3843190), (26, 3104115), (30, 2690233), (34, 2373735), (35, 2305914), (37, 2181270), (39, 2069410), (42, 1921595), (47, 1717170), (51, 1582490), (65, 1241646), (70, 1152957), (74, 1090635), (78, 1034705), (85, 949494), (91, 886890), (94, 858585), (102, 791245), (105, 768638), (111, 727090), (119, 678210), (130, 620823), (141, 572390), (170, 474747), (182, 443445), (185, 436254), (195, 413882), (210, 384319), (221, 365190), (222, 363545), (235, 343434), (238, 339105), (255, 316498), (259, 311610), (273, 295630), (282, 286195), (329, 245310), (357, 226070), (370, 218127), (390, 206941), (442, 182595), (455, 177378), (470, 171717), (481, 167790), (510, 158249), (518, 155805), (546, 147815), (555, 145418), (595, 135642), (611, 132090), (629, 128310), (658, 122655), (663, 121730), (705, 114478), (714, 113035), (777, 103870), (799, 101010), (910, 88689), (962, 83895), (987, 81770), (1105, 73038), (1110, 72709), (1190, 67821), (1222, 66045), (1258, 64155), (1295, 62322), (1326, 60865), (1365, 59126), (1410, 57239), (1443, 55930), (1547, 52170), (1554, 51935), (1598, 50505), (1645, 49062), (1739, 46410), (1785, 45214), (1833, 44030), (1887, 42770), (1974, 40885), (2210, 36519), (2397, 33670), (2405, 33558), (2590, 31161), (2730, 29563), (2886, 27965), (3055, 26418), (3094, 26085), (3145, 25662), (3290, 24531), (3315, 24346), (3367, 23970), (3478, 23205), (3570, 22607), (3666, 22015), (3774, 21385), (3885, 20774), (3995, 20202), (4277, 18870), (4403, 18330), (4641, 17390), (4794, 16835), (4810, 16779), (4935, 16354), (5217, 15470), (5593, 14430), (6110, 13209), (6290, 12831), (6630, 12173), (6734, 11985), (7215, 11186), (7735, 10434), (7770, 10387), (7990, 10101), (8177, 9870), (8554, 9435), (8695, 9282), (8806, 9165)]