671245360

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2146

約数の個数: 80

約数和(自身を含む): 1610254080

約数和(自身を除く): 939008720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 71, 80, 118, 142, 236, 284, 295, 355, 472, 568, 590, 710, 944, 1136, 1180, 1420, 2003, 2360, 2840, 4006, 4189, 4720, 5680, 8012, 8378, 10015, 16024, 16756, 20030, 20945, 32048, 33512, 40060, 41890, 67024, 80120, 83780, 118177, 142213, 160240, 167560, 236354, 284426, 335120, 472708, 568852, 590885, 711065, 945416, 1137704, 1181770, 1422130, 1890832, 2275408, 2363540, 2844260, 4727080, 5688520, 8390567, 9454160, 11377040, 16781134, 33562268, 41952835, 67124536, 83905670, 134249072, 167811340, 335622680, 671245360]

約数ペア:

[(1, 671245360), (2, 335622680), (4, 167811340), (5, 134249072), (8, 83905670), (10, 67124536), (16, 41952835), (20, 33562268), (40, 16781134), (59, 11377040), (71, 9454160), (80, 8390567), (118, 5688520), (142, 4727080), (236, 2844260), (284, 2363540), (295, 2275408), (355, 1890832), (472, 1422130), (568, 1181770), (590, 1137704), (710, 945416), (944, 711065), (1136, 590885), (1180, 568852), (1420, 472708), (2003, 335120), (2360, 284426), (2840, 236354), (4006, 167560), (4189, 160240), (4720, 142213), (5680, 118177), (8012, 83780), (8378, 80120), (10015, 67024), (16024, 41890), (16756, 40060), (20030, 33512), (20945, 32048)]