15501930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 38890368

約数和(自身を除く): 23388438

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 61, 86, 122, 129, 183, 197, 215, 258, 305, 366, 394, 430, 591, 610, 645, 915, 985, 1182, 1290, 1830, 1970, 2623, 2955, 5246, 5910, 7869, 8471, 12017, 13115, 15738, 16942, 24034, 25413, 26230, 36051, 39345, 42355, 50826, 60085, 72102, 78690, 84710, 120170, 127065, 180255, 254130, 360510, 516731, 1033462, 1550193, 2583655, 3100386, 5167310, 7750965, 15501930]

約数ペア:

[(1, 15501930), (2, 7750965), (3, 5167310), (5, 3100386), (6, 2583655), (10, 1550193), (15, 1033462), (30, 516731), (43, 360510), (61, 254130), (86, 180255), (122, 127065), (129, 120170), (183, 84710), (197, 78690), (215, 72102), (258, 60085), (305, 50826), (366, 42355), (394, 39345), (430, 36051), (591, 26230), (610, 25413), (645, 24034), (915, 16942), (985, 15738), (1182, 13115), (1290, 12017), (1830, 8471), (1970, 7869), (2623, 5910), (2955, 5246)]