28578090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 72858240

約数和(自身を除く): 44280150

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 181, 190, 277, 285, 362, 543, 554, 570, 831, 905, 1086, 1385, 1662, 1810, 2715, 2770, 3439, 4155, 5263, 5430, 6878, 8310, 10317, 10526, 15789, 17195, 20634, 26315, 31578, 34390, 50137, 51585, 52630, 78945, 100274, 103170, 150411, 157890, 250685, 300822, 501370, 752055, 952603, 1504110, 1905206, 2857809, 4763015, 5715618, 9526030, 14289045, 28578090]

約数ペア:

[(1, 28578090), (2, 14289045), (3, 9526030), (5, 5715618), (6, 4763015), (10, 2857809), (15, 1905206), (19, 1504110), (30, 952603), (38, 752055), (57, 501370), (95, 300822), (114, 250685), (181, 157890), (190, 150411), (277, 103170), (285, 100274), (362, 78945), (543, 52630), (554, 51585), (570, 50137), (831, 34390), (905, 31578), (1086, 26315), (1385, 20634), (1662, 17195), (1810, 15789), (2715, 10526), (2770, 10317), (3439, 8310), (4155, 6878), (5263, 5430)]