672582820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 216

約数和(自身を含む): 1850542848

約数和(自身を除く): 1177960028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 131, 140, 155, 169, 182, 196, 217, 245, 260, 262, 310, 338, 364, 403, 434, 455, 490, 524, 620, 637, 655, 676, 806, 845, 868, 910, 917, 980, 1085, 1183, 1274, 1310, 1519, 1612, 1690, 1703, 1820, 1834, 2015, 2170, 2366, 2548, 2620, 2821, 3038, 3185, 3380, 3406, 3668, 4030, 4061, 4340, 4585, 4732, 5239, 5642, 5915, 6076, 6370, 6419, 6812, 7595, 8060, 8122, 8281, 8515, 9170, 10478, 11284, 11830, 11921, 12740, 12838, 14105, 15190, 16244, 16562, 17030, 18340, 19747, 20305, 20956, 22139, 23660, 23842, 25676, 26195, 28210, 28427, 30380, 32095, 33124, 34060, 36673, 39494, 40610, 41405, 44278, 47684, 52390, 52793, 56420, 56854, 59605, 64190, 73346, 78988, 81220, 82810, 83447, 88556, 98735, 104780, 105586, 110695, 113708, 119210, 128380, 142135, 146692, 154973, 165620, 166894, 183365, 197470, 198989, 211172, 221390, 238420, 256711, 263965, 284270, 309946, 333788, 366730, 369551, 394940, 397978, 417235, 442780, 513422, 527930, 568540, 619892, 686309, 733460, 739102, 774865, 795956, 834470, 994945, 1026844, 1055860, 1084811, 1283555, 1372618, 1478204, 1549730, 1668940, 1847755, 1989890, 2169622, 2567110, 2586857, 2745236, 3099460, 3431545, 3695510, 3979780, 4339244, 4804163, 5134220, 5173714, 5424055, 6863090, 7391020, 9608326, 10347428, 10848110, 12934285, 13726180, 19216652, 21696220, 24020815, 25868570, 33629141, 48041630, 51737140, 67258282, 96083260, 134516564, 168145705, 336291410, 672582820]

約数ペア:

[(1, 672582820), (2, 336291410), (4, 168145705), (5, 134516564), (7, 96083260), (10, 67258282), (13, 51737140), (14, 48041630), (20, 33629141), (26, 25868570), (28, 24020815), (31, 21696220), (35, 19216652), (49, 13726180), (52, 12934285), (62, 10848110), (65, 10347428), (70, 9608326), (91, 7391020), (98, 6863090), (124, 5424055), (130, 5173714), (131, 5134220), (140, 4804163), (155, 4339244), (169, 3979780), (182, 3695510), (196, 3431545), (217, 3099460), (245, 2745236), (260, 2586857), (262, 2567110), (310, 2169622), (338, 1989890), (364, 1847755), (403, 1668940), (434, 1549730), (455, 1478204), (490, 1372618), (524, 1283555), (620, 1084811), (637, 1055860), (655, 1026844), (676, 994945), (806, 834470), (845, 795956), (868, 774865), (910, 739102), (917, 733460), (980, 686309), (1085, 619892), (1183, 568540), (1274, 527930), (1310, 513422), (1519, 442780), (1612, 417235), (1690, 397978), (1703, 394940), (1820, 369551), (1834, 366730), (2015, 333788), (2170, 309946), (2366, 284270), (2548, 263965), (2620, 256711), (2821, 238420), (3038, 221390), (3185, 211172), (3380, 198989), (3406, 197470), (3668, 183365), (4030, 166894), (4061, 165620), (4340, 154973), (4585, 146692), (4732, 142135), (5239, 128380), (5642, 119210), (5915, 113708), (6076, 110695), (6370, 105586), (6419, 104780), (6812, 98735), (7595, 88556), (8060, 83447), (8122, 82810), (8281, 81220), (8515, 78988), (9170, 73346), (10478, 64190), (11284, 59605), (11830, 56854), (11921, 56420), (12740, 52793), (12838, 52390), (14105, 47684), (15190, 44278), (16244, 41405), (16562, 40610), (17030, 39494), (18340, 36673), (19747, 34060), (20305, 33124), (20956, 32095), (22139, 30380), (23660, 28427), (23842, 28210), (25676, 26195)]