290290560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{21599}}^1$

素因数の和:21628

約数の個数: 128

約数和(自身を含む): 1057536000

約数和(自身を除く): 767245440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 21599, 43198, 64797, 86396, 107995, 129594, 151193, 172792, 215990, 259188, 302386, 323985, 345584, 431980, 453579, 518376, 604772, 647970, 691168, 755965, 863960, 907158, 1036752, 1209544, 1295940, 1382336, 1511930, 1727920, 1814316, 2073504, 2267895, 2419088, 2591880, 2764672, 3023860, 3455840, 3628632, 4147008, 4535790, 4838176, 5183760, 6047720, 6911680, 7257264, 8294016, 9071580, 9676352, 10367520, 12095440, 13823360, 14514528, 18143160, 19352704, 20735040, 24190880, 29029056, 36286320, 41470080, 48381760, 58058112, 72572640, 96763520, 145145280, 290290560]

約数ペア:

[(1, 290290560), (2, 145145280), (3, 96763520), (4, 72572640), (5, 58058112), (6, 48381760), (7, 41470080), (8, 36286320), (10, 29029056), (12, 24190880), (14, 20735040), (15, 19352704), (16, 18143160), (20, 14514528), (21, 13823360), (24, 12095440), (28, 10367520), (30, 9676352), (32, 9071580), (35, 8294016), (40, 7257264), (42, 6911680), (48, 6047720), (56, 5183760), (60, 4838176), (64, 4535790), (70, 4147008), (80, 3628632), (84, 3455840), (96, 3023860), (105, 2764672), (112, 2591880), (120, 2419088), (128, 2267895), (140, 2073504), (160, 1814316), (168, 1727920), (192, 1511930), (210, 1382336), (224, 1295940), (240, 1209544), (280, 1036752), (320, 907158), (336, 863960), (384, 755965), (420, 691168), (448, 647970), (480, 604772), (560, 518376), (640, 453579), (672, 431980), (840, 345584), (896, 323985), (960, 302386), (1120, 259188), (1344, 215990), (1680, 172792), (1920, 151193), (2240, 129594), (2688, 107995), (3360, 86396), (4480, 64797), (6720, 43198), (13440, 21599)]