1520680140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{4357}}^1$

素因数の和:4656

約数の個数: 144

約数和(自身を含む): 5291936832

約数和(自身を除く): 3771256692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 277, 315, 420, 554, 630, 831, 1108, 1260, 1385, 1662, 1939, 2493, 2770, 3324, 3878, 4155, 4357, 4986, 5540, 5817, 7756, 8310, 8714, 9695, 9972, 11634, 12465, 13071, 16620, 17428, 17451, 19390, 21785, 23268, 24930, 26142, 29085, 30499, 34902, 38780, 39213, 43570, 49860, 52284, 58170, 60998, 65355, 69804, 78426, 87140, 87255, 91497, 116340, 121996, 130710, 152495, 156852, 174510, 182994, 196065, 261420, 274491, 304990, 349020, 365988, 392130, 457485, 548982, 609980, 784260, 914970, 1097964, 1206889, 1372455, 1829940, 2413778, 2744910, 3620667, 4827556, 5489820, 6034445, 7241334, 8448223, 10862001, 12068890, 14482668, 16896446, 18103335, 21724002, 24137780, 25344669, 33792892, 36206670, 42241115, 43448004, 50689338, 54310005, 72413340, 76034007, 84482230, 101378676, 108620010, 126723345, 152068014, 168964460, 217240020, 253446690, 304136028, 380170035, 506893380, 760340070, 1520680140]

約数ペア:

[(1, 1520680140), (2, 760340070), (3, 506893380), (4, 380170035), (5, 304136028), (6, 253446690), (7, 217240020), (9, 168964460), (10, 152068014), (12, 126723345), (14, 108620010), (15, 101378676), (18, 84482230), (20, 76034007), (21, 72413340), (28, 54310005), (30, 50689338), (35, 43448004), (36, 42241115), (42, 36206670), (45, 33792892), (60, 25344669), (63, 24137780), (70, 21724002), (84, 18103335), (90, 16896446), (105, 14482668), (126, 12068890), (140, 10862001), (180, 8448223), (210, 7241334), (252, 6034445), (277, 5489820), (315, 4827556), (420, 3620667), (554, 2744910), (630, 2413778), (831, 1829940), (1108, 1372455), (1260, 1206889), (1385, 1097964), (1662, 914970), (1939, 784260), (2493, 609980), (2770, 548982), (3324, 457485), (3878, 392130), (4155, 365988), (4357, 349020), (4986, 304990), (5540, 274491), (5817, 261420), (7756, 196065), (8310, 182994), (8714, 174510), (9695, 156852), (9972, 152495), (11634, 130710), (12465, 121996), (13071, 116340), (16620, 91497), (17428, 87255), (17451, 87140), (19390, 78426), (21785, 69804), (23268, 65355), (24930, 60998), (26142, 58170), (29085, 52284), (30499, 49860), (34902, 43570), (38780, 39213)]