1258510720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{277}}^1$

素因数の和:556

約数の個数: 128

約数和(自身を含む): 3130502400

約数和(自身を除く): 1871991680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 229, 248, 277, 310, 320, 458, 496, 554, 620, 640, 916, 992, 1108, 1145, 1240, 1385, 1832, 1984, 2216, 2290, 2480, 2770, 3664, 3968, 4432, 4580, 4960, 5540, 7099, 7328, 8587, 8864, 9160, 9920, 11080, 14198, 14656, 17174, 17728, 18320, 19840, 22160, 28396, 29312, 34348, 35456, 35495, 36640, 42935, 44320, 56792, 63433, 68696, 70990, 73280, 85870, 88640, 113584, 126866, 137392, 141980, 146560, 171740, 177280, 227168, 253732, 274784, 283960, 317165, 343480, 454336, 507464, 549568, 567920, 634330, 686960, 908672, 1014928, 1099136, 1135840, 1268660, 1373920, 1966423, 2029856, 2271680, 2537320, 2747840, 3932846, 4059712, 4543360, 5074640, 5495680, 7865692, 8119424, 9832115, 10149280, 15731384, 19664230, 20298560, 31462768, 39328460, 40597120, 62925536, 78656920, 125851072, 157313840, 251702144, 314627680, 629255360, 1258510720]

約数ペア:

[(1, 1258510720), (2, 629255360), (4, 314627680), (5, 251702144), (8, 157313840), (10, 125851072), (16, 78656920), (20, 62925536), (31, 40597120), (32, 39328460), (40, 31462768), (62, 20298560), (64, 19664230), (80, 15731384), (124, 10149280), (128, 9832115), (155, 8119424), (160, 7865692), (229, 5495680), (248, 5074640), (277, 4543360), (310, 4059712), (320, 3932846), (458, 2747840), (496, 2537320), (554, 2271680), (620, 2029856), (640, 1966423), (916, 1373920), (992, 1268660), (1108, 1135840), (1145, 1099136), (1240, 1014928), (1385, 908672), (1832, 686960), (1984, 634330), (2216, 567920), (2290, 549568), (2480, 507464), (2770, 454336), (3664, 343480), (3968, 317165), (4432, 283960), (4580, 274784), (4960, 253732), (5540, 227168), (7099, 177280), (7328, 171740), (8587, 146560), (8864, 141980), (9160, 137392), (9920, 126866), (11080, 113584), (14198, 88640), (14656, 85870), (17174, 73280), (17728, 70990), (18320, 68696), (19840, 63433), (22160, 56792), (28396, 44320), (29312, 42935), (34348, 36640), (35456, 35495)]