7256398240

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{1453}}^1$

素因数の和:1509

約数の個数: 240

約数和(自身を含む): 21552484968

約数和(自身を除く): 14296086728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 343, 364, 392, 416, 455, 490, 520, 560, 637, 686, 728, 784, 910, 980, 1040, 1120, 1274, 1372, 1453, 1456, 1568, 1715, 1820, 1960, 2080, 2401, 2548, 2744, 2906, 2912, 3185, 3430, 3640, 3920, 4459, 4802, 5096, 5488, 5812, 6370, 6860, 7265, 7280, 7840, 8918, 9604, 10171, 10192, 10976, 11624, 12005, 12740, 13720, 14530, 14560, 17836, 18889, 19208, 20342, 20384, 22295, 23248, 24010, 25480, 27440, 29060, 31213, 35672, 37778, 38416, 40684, 44590, 46496, 48020, 50855, 50960, 54880, 58120, 62426, 71197, 71344, 75556, 76832, 81368, 89180, 94445, 96040, 101710, 101920, 116240, 124852, 132223, 142394, 142688, 151112, 156065, 162736, 178360, 188890, 192080, 203420, 232480, 249704, 264446, 284788, 302224, 312130, 325472, 355985, 356720, 377780, 384160, 406840, 498379, 499408, 528892, 569576, 604448, 624260, 661115, 711970, 713440, 755560, 813680, 925561, 996758, 998816, 1057784, 1139152, 1248520, 1322230, 1423940, 1511120, 1627360, 1851122, 1993516, 2115568, 2278304, 2491895, 2497040, 2644460, 2847880, 3022240, 3488653, 3702244, 3987032, 4231136, 4627805, 4983790, 4994080, 5288920, 5695760, 6478927, 6977306, 7404488, 7974064, 9255610, 9967580, 10577840, 11391520, 12957854, 13954612, 14808976, 15948128, 17443265, 18511220, 19935160, 21155680, 25915708, 27909224, 29617952, 32394635, 34886530, 37022440, 39870320, 45352489, 51831416, 55818448, 64789270, 69773060, 74044880, 79740640, 90704978, 103662832, 111636896, 129578540, 139546120, 148089760, 181409956, 207325664, 226762445, 259157080, 279092240, 362819912, 453524890, 518314160, 558184480, 725639824, 907049780, 1036628320, 1451279648, 1814099560, 3628199120, 7256398240]

約数ペア:

[(1, 7256398240), (2, 3628199120), (4, 1814099560), (5, 1451279648), (7, 1036628320), (8, 907049780), (10, 725639824), (13, 558184480), (14, 518314160), (16, 453524890), (20, 362819912), (26, 279092240), (28, 259157080), (32, 226762445), (35, 207325664), (40, 181409956), (49, 148089760), (52, 139546120), (56, 129578540), (65, 111636896), (70, 103662832), (80, 90704978), (91, 79740640), (98, 74044880), (104, 69773060), (112, 64789270), (130, 55818448), (140, 51831416), (160, 45352489), (182, 39870320), (196, 37022440), (208, 34886530), (224, 32394635), (245, 29617952), (260, 27909224), (280, 25915708), (343, 21155680), (364, 19935160), (392, 18511220), (416, 17443265), (455, 15948128), (490, 14808976), (520, 13954612), (560, 12957854), (637, 11391520), (686, 10577840), (728, 9967580), (784, 9255610), (910, 7974064), (980, 7404488), (1040, 6977306), (1120, 6478927), (1274, 5695760), (1372, 5288920), (1453, 4994080), (1456, 4983790), (1568, 4627805), (1715, 4231136), (1820, 3987032), (1960, 3702244), (2080, 3488653), (2401, 3022240), (2548, 2847880), (2744, 2644460), (2906, 2497040), (2912, 2491895), (3185, 2278304), (3430, 2115568), (3640, 1993516), (3920, 1851122), (4459, 1627360), (4802, 1511120), (5096, 1423940), (5488, 1322230), (5812, 1248520), (6370, 1139152), (6860, 1057784), (7265, 998816), (7280, 996758), (7840, 925561), (8918, 813680), (9604, 755560), (10171, 713440), (10192, 711970), (10976, 661115), (11624, 624260), (12005, 604448), (12740, 569576), (13720, 528892), (14530, 499408), (14560, 498379), (17836, 406840), (18889, 384160), (19208, 377780), (20342, 356720), (20384, 355985), (22295, 325472), (23248, 312130), (24010, 302224), (25480, 284788), (27440, 264446), (29060, 249704), (31213, 232480), (35672, 203420), (37778, 192080), (38416, 188890), (40684, 178360), (44590, 162736), (46496, 156065), (48020, 151112), (50855, 142688), (50960, 142394), (54880, 132223), (58120, 124852), (62426, 116240), (71197, 101920), (71344, 101710), (75556, 96040), (76832, 94445), (81368, 89180)]