256431630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 256

約数和(自身を含む): 812851200

約数和(自身を除く): 556419570

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 29, 30, 35, 39, 41, 42, 58, 65, 70, 78, 79, 82, 87, 91, 105, 123, 130, 145, 158, 174, 182, 195, 203, 205, 210, 237, 246, 273, 287, 290, 377, 390, 395, 406, 410, 435, 455, 474, 533, 546, 553, 574, 609, 615, 754, 790, 861, 870, 910, 1015, 1027, 1066, 1106, 1131, 1185, 1189, 1218, 1230, 1365, 1435, 1599, 1659, 1722, 1885, 2030, 2054, 2262, 2291, 2370, 2378, 2639, 2665, 2730, 2765, 2870, 3045, 3081, 3198, 3239, 3318, 3567, 3731, 3770, 4305, 4582, 5135, 5278, 5330, 5530, 5655, 5945, 6090, 6162, 6478, 6873, 7134, 7189, 7462, 7917, 7995, 8295, 8323, 8610, 9717, 10270, 11193, 11310, 11455, 11890, 13195, 13746, 14378, 15405, 15457, 15834, 15990, 16037, 16195, 16590, 16646, 17835, 18655, 19434, 21567, 22386, 22673, 22910, 24969, 26390, 29783, 30810, 30914, 32074, 32390, 34365, 35670, 35945, 37310, 39585, 41615, 42107, 43134, 45346, 46371, 48111, 48585, 49938, 55965, 59566, 68019, 68730, 71890, 77285, 79170, 80185, 83230, 84214, 89349, 92742, 93931, 96222, 97170, 107835, 108199, 111930, 113365, 124845, 126321, 136038, 148915, 154570, 160370, 178698, 187862, 208481, 210535, 215670, 216398, 226730, 231855, 240555, 249690, 252642, 281793, 294749, 297830, 324597, 340095, 416962, 421070, 446745, 463710, 469655, 481110, 540995, 563586, 589498, 625443, 631605, 649194, 657517, 680190, 884247, 893490, 939310, 1042405, 1081990, 1221103, 1250886, 1263210, 1315034, 1408965, 1473745, 1622985, 1768494, 1972551, 2084810, 2442206, 2817930, 2947490, 3127215, 3245970, 3287585, 3663309, 3945102, 4421235, 6105515, 6254430, 6575170, 7326618, 8547721, 8842470, 9862755, 12211030, 17095442, 18316545, 19725510, 25643163, 36633090, 42738605, 51286326, 85477210, 128215815, 256431630]

約数ペア:

[(1, 256431630), (2, 128215815), (3, 85477210), (5, 51286326), (6, 42738605), (7, 36633090), (10, 25643163), (13, 19725510), (14, 18316545), (15, 17095442), (21, 12211030), (26, 9862755), (29, 8842470), (30, 8547721), (35, 7326618), (39, 6575170), (41, 6254430), (42, 6105515), (58, 4421235), (65, 3945102), (70, 3663309), (78, 3287585), (79, 3245970), (82, 3127215), (87, 2947490), (91, 2817930), (105, 2442206), (123, 2084810), (130, 1972551), (145, 1768494), (158, 1622985), (174, 1473745), (182, 1408965), (195, 1315034), (203, 1263210), (205, 1250886), (210, 1221103), (237, 1081990), (246, 1042405), (273, 939310), (287, 893490), (290, 884247), (377, 680190), (390, 657517), (395, 649194), (406, 631605), (410, 625443), (435, 589498), (455, 563586), (474, 540995), (533, 481110), (546, 469655), (553, 463710), (574, 446745), (609, 421070), (615, 416962), (754, 340095), (790, 324597), (861, 297830), (870, 294749), (910, 281793), (1015, 252642), (1027, 249690), (1066, 240555), (1106, 231855), (1131, 226730), (1185, 216398), (1189, 215670), (1218, 210535), (1230, 208481), (1365, 187862), (1435, 178698), (1599, 160370), (1659, 154570), (1722, 148915), (1885, 136038), (2030, 126321), (2054, 124845), (2262, 113365), (2291, 111930), (2370, 108199), (2378, 107835), (2639, 97170), (2665, 96222), (2730, 93931), (2765, 92742), (2870, 89349), (3045, 84214), (3081, 83230), (3198, 80185), (3239, 79170), (3318, 77285), (3567, 71890), (3731, 68730), (3770, 68019), (4305, 59566), (4582, 55965), (5135, 49938), (5278, 48585), (5330, 48111), (5530, 46371), (5655, 45346), (5945, 43134), (6090, 42107), (6162, 41615), (6478, 39585), (6873, 37310), (7134, 35945), (7189, 35670), (7462, 34365), (7917, 32390), (7995, 32074), (8295, 30914), (8323, 30810), (8610, 29783), (9717, 26390), (10270, 24969), (11193, 22910), (11310, 22673), (11455, 22386), (11890, 21567), (13195, 19434), (13746, 18655), (14378, 17835), (15405, 16646), (15457, 16590), (15834, 16195), (15990, 16037)]