31213770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7823}}^1$

素因数の和:7859

約数の個数: 64

約数和(自身を含む): 90132480

約数和(自身を除く): 58918710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 7823, 15646, 23469, 39115, 46938, 54761, 78230, 109522, 117345, 148637, 164283, 234690, 273805, 297274, 328566, 445911, 547610, 743185, 821415, 891822, 1040459, 1486370, 1642830, 2080918, 2229555, 3121377, 4459110, 5202295, 6242754, 10404590, 15606885, 31213770]

約数ペア:

[(1, 31213770), (2, 15606885), (3, 10404590), (5, 6242754), (6, 5202295), (7, 4459110), (10, 3121377), (14, 2229555), (15, 2080918), (19, 1642830), (21, 1486370), (30, 1040459), (35, 891822), (38, 821415), (42, 743185), (57, 547610), (70, 445911), (95, 328566), (105, 297274), (114, 273805), (133, 234690), (190, 164283), (210, 148637), (266, 117345), (285, 109522), (399, 78230), (570, 54761), (665, 46938), (798, 39115), (1330, 23469), (1995, 15646), (3990, 7823)]