243685980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8623}}^1$

素因数の和:8795

約数の個数: 72

約数和(自身を含む): 743975232

約数和(自身を除く): 500289252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 8623, 9420, 14130, 17246, 25869, 28260, 34492, 43115, 51738, 77607, 86230, 103476, 129345, 155214, 172460, 258690, 310428, 388035, 517380, 776070, 1353811, 1552140, 2707622, 4061433, 5415244, 6769055, 8122866, 12184299, 13538110, 16245732, 20307165, 24368598, 27076220, 40614330, 48737196, 60921495, 81228660, 121842990, 243685980]

約数ペア:

[(1, 243685980), (2, 121842990), (3, 81228660), (4, 60921495), (5, 48737196), (6, 40614330), (9, 27076220), (10, 24368598), (12, 20307165), (15, 16245732), (18, 13538110), (20, 12184299), (30, 8122866), (36, 6769055), (45, 5415244), (60, 4061433), (90, 2707622), (157, 1552140), (180, 1353811), (314, 776070), (471, 517380), (628, 388035), (785, 310428), (942, 258690), (1413, 172460), (1570, 155214), (1884, 129345), (2355, 103476), (2826, 86230), (3140, 77607), (4710, 51738), (5652, 43115), (7065, 34492), (8623, 28260), (9420, 25869), (14130, 17246)]