1279781370

素因数分解:

$2^1\times 3^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:872

約数の個数: 224

約数和(自身を含む): 4079600640

約数和(自身を除く): 2799819270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 81, 90, 93, 105, 126, 135, 155, 162, 186, 189, 210, 217, 243, 270, 279, 310, 315, 378, 405, 434, 465, 486, 558, 567, 630, 651, 729, 809, 810, 837, 930, 945, 1085, 1134, 1215, 1302, 1395, 1458, 1618, 1674, 1701, 1890, 1953, 2170, 2427, 2430, 2511, 2790, 2835, 3255, 3402, 3645, 3906, 4045, 4185, 4854, 5022, 5103, 5663, 5670, 5859, 6510, 7281, 7290, 7533, 8090, 8370, 8505, 9765, 10206, 11326, 11718, 12135, 12555, 14562, 15066, 16989, 17010, 17577, 19530, 21843, 22599, 24270, 25079, 25110, 25515, 28315, 29295, 33978, 35154, 36405, 37665, 43686, 45198, 50158, 50967, 51030, 52731, 56630, 58590, 65529, 72810, 75237, 75330, 84945, 87885, 101934, 105462, 109215, 112995, 125395, 131058, 150474, 152901, 158193, 169890, 175553, 175770, 196587, 218430, 225711, 225990, 250790, 254835, 263655, 305802, 316386, 327645, 351106, 376185, 393174, 451422, 458703, 509670, 526659, 527310, 589761, 655290, 677133, 752370, 764505, 790965, 877765, 917406, 982935, 1053318, 1128555, 1179522, 1354266, 1376109, 1529010, 1579977, 1581930, 1755530, 1965870, 2031399, 2257110, 2293515, 2633295, 2752218, 2948805, 3159954, 3385665, 4062798, 4128327, 4587030, 4739931, 5266590, 5897610, 6094197, 6771330, 6880545, 7899885, 8256654, 9479862, 10156995, 12188394, 13761090, 14219793, 15799770, 18282591, 20313990, 20641635, 23699655, 28439586, 30470985, 36565182, 41283270, 42659379, 47399310, 60941970, 71098965, 85318758, 91412955, 127978137, 142197930, 182825910, 213296895, 255956274, 426593790, 639890685, 1279781370]

約数ペア:

[(1, 1279781370), (2, 639890685), (3, 426593790), (5, 255956274), (6, 213296895), (7, 182825910), (9, 142197930), (10, 127978137), (14, 91412955), (15, 85318758), (18, 71098965), (21, 60941970), (27, 47399310), (30, 42659379), (31, 41283270), (35, 36565182), (42, 30470985), (45, 28439586), (54, 23699655), (62, 20641635), (63, 20313990), (70, 18282591), (81, 15799770), (90, 14219793), (93, 13761090), (105, 12188394), (126, 10156995), (135, 9479862), (155, 8256654), (162, 7899885), (186, 6880545), (189, 6771330), (210, 6094197), (217, 5897610), (243, 5266590), (270, 4739931), (279, 4587030), (310, 4128327), (315, 4062798), (378, 3385665), (405, 3159954), (434, 2948805), (465, 2752218), (486, 2633295), (558, 2293515), (567, 2257110), (630, 2031399), (651, 1965870), (729, 1755530), (809, 1581930), (810, 1579977), (837, 1529010), (930, 1376109), (945, 1354266), (1085, 1179522), (1134, 1128555), (1215, 1053318), (1302, 982935), (1395, 917406), (1458, 877765), (1618, 790965), (1674, 764505), (1701, 752370), (1890, 677133), (1953, 655290), (2170, 589761), (2427, 527310), (2430, 526659), (2511, 509670), (2790, 458703), (2835, 451422), (3255, 393174), (3402, 376185), (3645, 351106), (3906, 327645), (4045, 316386), (4185, 305802), (4854, 263655), (5022, 254835), (5103, 250790), (5663, 225990), (5670, 225711), (5859, 218430), (6510, 196587), (7281, 175770), (7290, 175553), (7533, 169890), (8090, 158193), (8370, 152901), (8505, 150474), (9765, 131058), (10206, 125395), (11326, 112995), (11718, 109215), (12135, 105462), (12555, 101934), (14562, 87885), (15066, 84945), (16989, 75330), (17010, 75237), (17577, 72810), (19530, 65529), (21843, 58590), (22599, 56630), (24270, 52731), (25079, 51030), (25110, 50967), (25515, 50158), (28315, 45198), (29295, 43686), (33978, 37665), (35154, 36405)]