746452720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 1954874880

約数和(自身を除く): 1208422160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 137, 155, 169, 208, 248, 260, 274, 310, 338, 403, 496, 520, 548, 620, 676, 685, 806, 845, 1040, 1096, 1240, 1352, 1370, 1612, 1690, 1781, 2015, 2192, 2197, 2480, 2704, 2740, 3224, 3380, 3562, 4030, 4247, 4394, 5239, 5480, 6448, 6760, 7124, 8060, 8494, 8788, 8905, 10478, 10960, 10985, 13520, 14248, 16120, 16988, 17576, 17810, 20956, 21235, 21970, 23153, 26195, 28496, 32240, 33976, 35152, 35620, 41912, 42470, 43940, 46306, 52390, 55211, 67952, 68107, 71240, 83824, 84940, 87880, 92612, 104780, 110422, 115765, 136214, 142480, 169880, 175760, 185224, 209560, 220844, 231530, 272428, 276055, 300989, 339760, 340535, 370448, 419120, 441688, 463060, 544856, 552110, 601978, 681070, 717743, 883376, 926120, 1089712, 1104220, 1203956, 1362140, 1435486, 1504945, 1852240, 2208440, 2407912, 2724280, 2870972, 3009890, 3588715, 4416880, 4815824, 5448560, 5741944, 6019780, 7177430, 9330659, 11483888, 12039560, 14354860, 18661318, 24079120, 28709720, 37322636, 46653295, 57419440, 74645272, 93306590, 149290544, 186613180, 373226360, 746452720]

約数ペア:

[(1, 746452720), (2, 373226360), (4, 186613180), (5, 149290544), (8, 93306590), (10, 74645272), (13, 57419440), (16, 46653295), (20, 37322636), (26, 28709720), (31, 24079120), (40, 18661318), (52, 14354860), (62, 12039560), (65, 11483888), (80, 9330659), (104, 7177430), (124, 6019780), (130, 5741944), (137, 5448560), (155, 4815824), (169, 4416880), (208, 3588715), (248, 3009890), (260, 2870972), (274, 2724280), (310, 2407912), (338, 2208440), (403, 1852240), (496, 1504945), (520, 1435486), (548, 1362140), (620, 1203956), (676, 1104220), (685, 1089712), (806, 926120), (845, 883376), (1040, 717743), (1096, 681070), (1240, 601978), (1352, 552110), (1370, 544856), (1612, 463060), (1690, 441688), (1781, 419120), (2015, 370448), (2192, 340535), (2197, 339760), (2480, 300989), (2704, 276055), (2740, 272428), (3224, 231530), (3380, 220844), (3562, 209560), (4030, 185224), (4247, 175760), (4394, 169880), (5239, 142480), (5480, 136214), (6448, 115765), (6760, 110422), (7124, 104780), (8060, 92612), (8494, 87880), (8788, 84940), (8905, 83824), (10478, 71240), (10960, 68107), (10985, 67952), (13520, 55211), (14248, 52390), (16120, 46306), (16988, 43940), (17576, 42470), (17810, 41912), (20956, 35620), (21235, 35152), (21970, 33976), (23153, 32240), (26195, 28496)]