215634760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15809}}^1$

素因数の和:15862

約数の個数: 64

約数和(自身を含む): 546393600

約数和(自身を除く): 330758840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 15809, 31618, 63236, 79045, 126472, 158090, 173899, 316180, 347798, 490079, 632360, 695596, 869495, 980158, 1391192, 1738990, 1960316, 2450395, 3477980, 3920632, 4900790, 5390869, 6955960, 9801580, 10781738, 19603160, 21563476, 26954345, 43126952, 53908690, 107817380, 215634760]

約数ペア:

[(1, 215634760), (2, 107817380), (4, 53908690), (5, 43126952), (8, 26954345), (10, 21563476), (11, 19603160), (20, 10781738), (22, 9801580), (31, 6955960), (40, 5390869), (44, 4900790), (55, 3920632), (62, 3477980), (88, 2450395), (110, 1960316), (124, 1738990), (155, 1391192), (220, 980158), (248, 869495), (310, 695596), (341, 632360), (440, 490079), (620, 347798), (682, 316180), (1240, 173899), (1364, 158090), (1705, 126472), (2728, 79045), (3410, 63236), (6820, 31618), (13640, 15809)]