1293320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 3456000

約数和(自身を除く): 2162680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 149, 155, 217, 248, 280, 298, 310, 434, 596, 620, 745, 868, 1043, 1085, 1192, 1240, 1490, 1736, 2086, 2170, 2980, 4172, 4340, 4619, 5215, 5960, 8344, 8680, 9238, 10430, 18476, 20860, 23095, 32333, 36952, 41720, 46190, 64666, 92380, 129332, 161665, 184760, 258664, 323330, 646660, 1293320]

約数ペア:

[(1, 1293320), (2, 646660), (4, 323330), (5, 258664), (7, 184760), (8, 161665), (10, 129332), (14, 92380), (20, 64666), (28, 46190), (31, 41720), (35, 36952), (40, 32333), (56, 23095), (62, 20860), (70, 18476), (124, 10430), (140, 9238), (149, 8680), (155, 8344), (217, 5960), (248, 5215), (280, 4619), (298, 4340), (310, 4172), (434, 2980), (596, 2170), (620, 2086), (745, 1736), (868, 1490), (1043, 1240), (1085, 1192)]