158721780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53987}}^1$

素因数の和:54013

約数の個数: 72

約数和(自身を含む): 516989088

約数和(自身を除く): 358267308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 53987, 107974, 161961, 215948, 269935, 323922, 377909, 539870, 647844, 755818, 809805, 1079740, 1133727, 1511636, 1619610, 1889545, 2267454, 2645363, 3239220, 3779090, 4534908, 5290726, 5668635, 7558180, 7936089, 10581452, 11337270, 13226815, 15872178, 22674540, 26453630, 31744356, 39680445, 52907260, 79360890, 158721780]

約数ペア:

[(1, 158721780), (2, 79360890), (3, 52907260), (4, 39680445), (5, 31744356), (6, 26453630), (7, 22674540), (10, 15872178), (12, 13226815), (14, 11337270), (15, 10581452), (20, 7936089), (21, 7558180), (28, 5668635), (30, 5290726), (35, 4534908), (42, 3779090), (49, 3239220), (60, 2645363), (70, 2267454), (84, 1889545), (98, 1619610), (105, 1511636), (140, 1133727), (147, 1079740), (196, 809805), (210, 755818), (245, 647844), (294, 539870), (420, 377909), (490, 323922), (588, 269935), (735, 215948), (980, 161961), (1470, 107974), (2940, 53987)]