451021480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 192

約数和(自身を含む): 1314593280

約数和(自身を除く): 863571800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 91, 98, 104, 124, 130, 140, 155, 182, 196, 217, 245, 248, 260, 280, 310, 364, 392, 403, 434, 455, 490, 520, 571, 620, 637, 728, 806, 868, 910, 980, 1085, 1142, 1240, 1274, 1519, 1612, 1736, 1820, 1960, 2015, 2170, 2284, 2548, 2821, 2855, 3038, 3185, 3224, 3640, 3997, 4030, 4340, 4568, 5096, 5642, 5710, 6076, 6370, 7423, 7595, 7994, 8060, 8680, 11284, 11420, 12152, 12740, 14105, 14846, 15190, 15988, 16120, 17701, 19747, 19985, 22568, 22840, 25480, 27979, 28210, 29692, 30380, 31976, 35402, 37115, 39494, 39970, 51961, 55958, 56420, 59384, 60760, 70804, 74230, 78988, 79940, 88505, 98735, 103922, 111916, 112840, 123907, 139895, 141608, 148460, 157976, 159880, 177010, 197470, 207844, 223832, 230113, 247814, 259805, 279790, 296920, 354020, 363727, 394940, 415688, 460226, 495628, 519610, 559580, 619535, 708040, 727454, 789880, 867349, 920452, 991256, 1039220, 1119160, 1150565, 1239070, 1454908, 1610791, 1734698, 1818635, 1840904, 2078440, 2301130, 2478140, 2909816, 3221582, 3469396, 3637270, 4336745, 4602260, 4956280, 6443164, 6938792, 7274540, 8053955, 8673490, 9204520, 11275537, 12886328, 14549080, 16107910, 17346980, 22551074, 32215820, 34693960, 45102148, 56377685, 64431640, 90204296, 112755370, 225510740, 451021480]

約数ペア:

[(1, 451021480), (2, 225510740), (4, 112755370), (5, 90204296), (7, 64431640), (8, 56377685), (10, 45102148), (13, 34693960), (14, 32215820), (20, 22551074), (26, 17346980), (28, 16107910), (31, 14549080), (35, 12886328), (40, 11275537), (49, 9204520), (52, 8673490), (56, 8053955), (62, 7274540), (65, 6938792), (70, 6443164), (91, 4956280), (98, 4602260), (104, 4336745), (124, 3637270), (130, 3469396), (140, 3221582), (155, 2909816), (182, 2478140), (196, 2301130), (217, 2078440), (245, 1840904), (248, 1818635), (260, 1734698), (280, 1610791), (310, 1454908), (364, 1239070), (392, 1150565), (403, 1119160), (434, 1039220), (455, 991256), (490, 920452), (520, 867349), (571, 789880), (620, 727454), (637, 708040), (728, 619535), (806, 559580), (868, 519610), (910, 495628), (980, 460226), (1085, 415688), (1142, 394940), (1240, 363727), (1274, 354020), (1519, 296920), (1612, 279790), (1736, 259805), (1820, 247814), (1960, 230113), (2015, 223832), (2170, 207844), (2284, 197470), (2548, 177010), (2821, 159880), (2855, 157976), (3038, 148460), (3185, 141608), (3224, 139895), (3640, 123907), (3997, 112840), (4030, 111916), (4340, 103922), (4568, 98735), (5096, 88505), (5642, 79940), (5710, 78988), (6076, 74230), (6370, 70804), (7423, 60760), (7595, 59384), (7994, 56420), (8060, 55958), (8680, 51961), (11284, 39970), (11420, 39494), (12152, 37115), (12740, 35402), (14105, 31976), (14846, 30380), (15190, 29692), (15988, 28210), (16120, 27979), (17701, 25480), (19747, 22840), (19985, 22568)]