81842940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151561}}^1$

素因数の和:151579

約数の個数: 48

約数和(自身を含む): 254624160

約数和(自身を除く): 172781220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151561, 303122, 454683, 606244, 757805, 909366, 1364049, 1515610, 1818732, 2273415, 2728098, 3031220, 4092147, 4546830, 5456196, 6820245, 8184294, 9093660, 13640490, 16368588, 20460735, 27280980, 40921470, 81842940]

約数ペア:

[(1, 81842940), (2, 40921470), (3, 27280980), (4, 20460735), (5, 16368588), (6, 13640490), (9, 9093660), (10, 8184294), (12, 6820245), (15, 5456196), (18, 4546830), (20, 4092147), (27, 3031220), (30, 2728098), (36, 2273415), (45, 1818732), (54, 1515610), (60, 1364049), (90, 909366), (108, 757805), (135, 606244), (180, 454683), (270, 303122), (540, 151561)]